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The rise of horse power ~4,200 years ago

CNRS—All domestic horses living on the planet today, whether racetrack champions, pony-club companions, or heavy draft giants, find their origins in the western Russian steppes of the third millennium BCE. However, the exact chronology of horse domestication and the widespread integration of horse power into human societies remained highly debated. A new study* published by Nature on June 6th reports that the proliferation of domestic horses started by the end of the third millennium BCE, around ~4,200 years ago. This date marks the start of a new era in human history, in which horses considerably speeded up communication and trade networks across Eurasia, catalyzing unprecedented exchanges and interactions among diverse cultures. This work was coordinated by Ludovic Orlando, director of the Centre of Anthropobiology and Genomics of Toulouse (CAGT, CNRS/Université Paul Sabatier), and involved 133 researchers from 113 institutions around the world.

The research team gathered an extensive collection of horse archaeological remains spanning the Eurasian continent. They combined radiocarbon dating with ancient DNA sequencing to characterize a comprehensive genome time-series providing fine-grained resolution into the genetic transformations coinciding with the emergence of equestrianism.

I have started working on horses about a decade ago. At that time, we only had a handful of ancient genomes. With this new work, we now have several hundreds. It was particularly important to gain resolution into Central Europe, the Carpathian and the Transylvanian basins, as this area was central to ongoing debates about horseback riding driving the massive migrations from the steppes around ~5,000 years ago, and possibly earlier.”, said Pablo Librado, first author of the study, and now Tenured Scientist at the Institut de Biologia Evolutiva of Barcelona (IBE), a joint centre of the CSIC and the Universitat Pompeu Fabra.

The research team scrutinized their data for three indicators of horse husbandry. First, they traced when the progenitors of modern domestic horses began to spread outside their native domestication homeland. Next, they reconstructed the horse demography all along the third millennium BCE to precisely date the earliest signs of breeding and large-scale production of horses. Last, they uncovered evidence of significant shifts in the horse reproductive lifespan, indicating deliberate manipulation of animal reproduction by early breeders. The remarkable alignment of all three lines of evidence around ~4,200 years ago strongly suggests that domestic horses were produced in sufficiently large numbers to sustain a growing demand across the continent only then, and not earlier. Therefore, the date of ~4,200 years ago marks the true onset of horse-based mobility as we recognize it. Horse-based mobility persisted as the fastest mode of terrestrial transportation until the advent of mechanical engines in the 20th century.

Yet, ancient DNA research had depicted earlier changes in the genetic landscape of Europeans, during the first half of the third millennium BCE, following the massive expansion of people coming from the steppes, and often considered speakers of a proto-Indo-European language. Since the horse genetic map started to change much later, the research team could discount horseback riding as a driving force for the success of those human migrations, despite horse-related terminology forming a common basis to most Indo-European languages.

One question that puzzled me for years pertains to the scale of the production: how could such a substantial number of horses be bred so suddenly from a relatively small domestication area to meet the increasingly global demand by the turn of the second millennium BCE? Now we have an answer. Breeders controlled the reproduction of the animal so well that they almost halved the time interval between two generations. Put simply, they were able to accelerate the breeding process, effectively doubling their production rate.”, added Ludovic Orlando.

The methodology developed in this study for measuring generation times is new, and leverages the full potential of ancient genome time series. As genomes evolve, they accumulate mutations and recombine every generation. The number of mutations they carry and DNA cross-overs they went through provide a direct measure for the multitude of generations leading to them. When coupled with radiocarbon dates, the numbers of generations can be converted into calendar years. The research team found that more generations accumulated in the last two centuries, concurring with the emergence of many modern bloodlines through intensive selective breeding. Strikingly, the generational clock was also found to tick faster around ~4,200 years ago, right at the time when the mass production and geographic diffusion of domestic horses started.

Our methodology for measuring temporal changes in generation times holds great potential. It arms the archaeozoological toolkit with a new way to monitor the development of controlled breeding across various domestic species beyond horses. But it can also help elucidate the generation interval in our hunter-gatherer ancestors and how these intervals evolved alongside shifts in lifestyle or significant climatic changes.” adds Pablo Librado, who developed the underlying statistical framework.

For now, and sticking to horses, the research team also reported exceptionally brief generational intervals within a distinct lineage, separate from that leading to modern domestic horses. This lineage was excavated at Botai, a site from Central Asia where evidence of horse milking, harnessing and corralling has been both reported and debated. The discovery of shortened generation times identified adds credit to models depicting settled human groups domesticating the horse in the region to secure consistent access to resources such as meat and milk, which were vital for their subsistence. The Botai people, however, did not engage in extensive long-distance migrations alongside their horses, since the genetic makeup of their horses remained local and did not expand across Eurasia.  

Our evidence supports two domestications in horses. The first, occurring around ~5,500 years ago, aimed to address the decline in horse populations and provide sustenance for populations inhabiting the steppes of Central Asia. The domestic horse as we know it emerged around ~4,200 years ago from the second domestication. This one truly transformed human history by providing fast mobility for the first time.”, concluded Ludovic Orlando.

This work was mainly supported by the European Research Council (CoG PEGASUS, and SyG Horsepower).

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Horse herders riding, guiding, catching or enjoying their horses in Inner Mongolia, China, July 2019. © Ludovic Orlando.

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Horse herder catching one of his horses with a lasso in Mongolia, Khomiin Tal plateau, May 2014. © Ludovic Orlando.

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Article Source: CNRS news release.

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First-Ever Discovery of Ancient Assyrian Military Camps Includes Biblical Site

A peer-reviewed paper in the prestigious journal Near Eastern Archaeology reports the first-ever discoveries of ancient Assyrian military camps. Created circa 700 BC during military conquests across the Middle East, they mark the expansion of the Assyrian Empire, which became the prototype for the subsequent Persian, Greek, and Roman empires. 

The initial discovery came from a scene carved into the stone walls of the Assyrian King Sennacherib’s palace commemorating his conquest of Lachish, a city to the south of Jerusalem. Matching the landscape in this image to features of the actual landscape (using early aerial photographs of Lachish prior to modern development) created a virtual map to the site of Sennacherib’s camp. This led to ruins similar in size and shape to the camp in Sennacherib’s relief. An archaeological survey of the site found no evidence of human habitation for 2600 years, followed by pottery sherds from the exact time of Sennacherib’s invasion of Lachish, after which it was again abandoned for centuries. Moreover, the ancient Arabic name for the ruins was Khirbet al Mudawwara, “The Ruins of the Camp of the Invading Ruler.” 

The Survey of Palestine had investigated a very similar ruin to the north of Jerusalem and found it consistent with a military camp. They hypothesized that it had been built by Titus during the later Roman invasion of Jerusalem. However, Roman military camps were always rectangular, whereas this was oval, the characteristic shape of Assyrian camps. The hill it occupied was known in Arabic as Jebel el Mudawwara, “The Mountain of the Camp of the Invading Ruler.” 

This appears to be the site of Sennacherib’s camp from the siege of Jerusalem, which was featured in the three books of the Bible, depicted in great works of art by, for example, Peter Paul Rubens and Gustave Doré, and celebrated in verse by Lord Byron. In the Bible story, the Angel of the Lord passed through the camp in the night slaying the Assyrian soldiers. The Babylonian historian Berosus wrote that a plague devastated the Assyrian army. And the Greek historian Herodotus claimed that mice invaded the Assyrian camp in the night and chewed through their bow strings and shield straps, leaving them defenseless in battle the next morning. 

This hill’s earlier history is equally impressive. Isaiah 10:24-32 describes the Assyrian advance toward Jerusalem, culminating with them stopping at Nob and challenging Jerusalem from there. This connects the Assyrian camp at Jerusalem with Nob, the lost priestly city that held the tabernacle, the holiest site in Judaism prior to the construction of the temple. However, according 1 Samuel 21-22, after the priests there aided the hero David, King Saul had every man, woman, child, and animal in Nob killed. Nob was not mentioned again for some 300 years, until the Assyrians occupied it. 

In the 1930s, taking advantage of its defensibility, the British built an ammunition storage depot on Jebel el Mudawwara and renamed it Ammunition Hill. In 1948, the Jordanian Arab Legion captured the hill and built a network of defensive trenches. In 1967, in one of the fiercest battles of the Six-Day War, Israeli paratroopers fought through the trenches to take the hill. It is now a memorial and museum of that bloody battle. 

Using what has been learned from these first two siege-camp sites, including the distinctive toponym Mudawwara, additional Assyrian military camps have been identified. In some cases, it has also been possible to use the newly discovered camps to locate the sites of ancient cities that were known to have been besieged by the Assyrians but whose locations were unknown or uncertain. 

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Stone panels commemorating the conquest of Lachish from the walls of the Assyrian Emperor Sennacherib’s palace show his military camp. The twenty-four guard towers in the camp’s perimeter wall, each with three windows visible, indicate a substantial fortification. S. C. Compton

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Bottom: The entire scene from Sennacherib’s palace wall as drawn by its excavator, Austen Henry Layard, in 1849. Top: The same landscape as photographed from a plane in 1945, prior to modern alterations to the landscape. Correlating the two indicated a likely location for the ruins of Sennacherib’s camp. Created from two public domain images: Austen Henry Layard’s 1849 excavation drawings of the Lachish relief and a 1945 aerial photograph taken as part of a mapping effort by the British Mandate government of Palestine.

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Ruined walls visible today at the site of Sennacherib’s Lachish camp. S.C. Compton

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The earliest aerial photograph of Jerusalem (lower left) with an oval fortification visible on a hill in the upper right. Public Domain, from the collection of the Library of Congress.

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The site of Sennacherib’s Jerusalem camp, now known as Ammunition Hill. S.C. Compton

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The peer-reviewed paper, The Trail of Sennacherib’s Siege Camps, by Stephen C. Compton and published in Near Eastern Archaeology, can be accessed through a membership with ASOR.

Cover Image, Top Left: Aerial view of Ammunition Hill, suggested to be the site of Sennacherib’s Jerusalem siege camp anciently. deror_avi, Public Domain, Wikimedia Commons

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Tencent Deploys AI to Help Researchers Decipher Hidden Meanings in Oracle Bone Scripts

SHENZHEN, China, May 28, 2024 – Tencent today announced the launch of Oracle Bones Corpus (殷契文渊), an online research platform and database for oracle bone researchers and enthusiasts. This revamped website not only offers new innovative tools for visualizing shallow indentations, but also employs artificial intelligence (AI) to enhance the efficiency of mapping glyphs to modern Chinese characters. Available in Simplified Chinese, the platform is now live at https://www.jgwlbq.org.cn/home. 

First discovered in the early 20th century, oracle bones record some of the oldest known iterations of Chinese characters, dating back millennia. To date, around 160,000 pieces of oracle bones have been discovered, from which around 4,500 unique characters have been found. While significant progress has been made, deciphering the scripts remains a challenge. Among all the characters which have been found, less than half (approximately 1,500 characters) have been matched to their modern counterparts. 

Oracle Bones Corpus aims to a provide mature, standardized system and technological tool for conducting effective research. Its database lets researchers examine and compare – either side-by-side or layered on top of each other in an interactive viewer – the different digitized versions of oracle bones, including historical photos, high-resolution 3D models, as well as digital replicas and enhanced ink rubbings.  

With the new update, Oracle Bones Corpus introduces tools that directly address the main difficulties associated with studying oracle bones: visualization and character recognition. Because of their fragility, the priceless oracle bones are often prohibited from being handled. The pieces are also scattered across China and the world, further restricting access. For a long time, researchers have had to depend on Chinese ink rubbings and photographic copies, but the quality of the records produced by these methods falls short of modern expectations. Tencent’s Indentation Highlight (微痕增强) feature offers a solution by enhancing the visibility of shallow carvings on the oracle bones. This allows for a detailed analysis of the strokes that form the glyphs and the chiseled grooves at the back.  

For character recognition, researchers previously had to laboriously compare each image and sometimes even resort to hand-drawn notes to find recurring glyphs. This AI assistance significantly boosts the efficiency and accuracy of deciphering ancient Chinese text. Additionally, characters are indexed for easy searchability, allowing researchers and interested users to quickly locate relevant academic papers for further study. By harnessing the technology, researchers can greatly shorten the processing time of oracle bones. 

Commenting on the initiative, Zhan Shu, Head of Digital Culture Lab, Tencent’s Sustainable Social Value, said, “With Oracle Bones Corpus, we have established a platform for all the stakeholders in oracle bone research to work together toward a common goal. We look forward to seeing more oracle bones digitized and invite researchers and anthropology enthusiasts to decipher the secrets of these ancient texts.” 

In promotion of oracle bone research, Tencent also co-developed the Amazing Oracle Bones (了不起的甲骨文) educational Weixin Mini Program. Through fun, interactive experiences such as word of the day, 3D model viewing and oracle bone trivia quizzes, the Mini Program aims to raise public awareness and interest in oracle bone research. Additionally, users may also submit their interpretations of unidentified characters to researchers through the Mini Program and contribute to the on-going deciphering efforts.  

Oracle Bones Corpus (https://www.jgwlbq.org.cn/home) and Amazing Oracle Bones are both live and open to the public.

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The Oracle Bones Corpus platform allows researchers and enthusiasts to easily examine digital facsimiles of each oracle bone within the vast database. Tencent

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The platform lets researchers examine and compare the different digitized versions of oracle bones, including historical photos, high-resolution 3D models, as well as digital replicas and enhanced ink rubbings. Tencent

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About Tencent 

Tencent is a world-leading internet and technology company that develops innovative products and services to improve the quality of life of people around the world. Founded in 1998 with its headquarters in Shenzhen, China, Tencent’s guiding principle is to use technology for good. Our communication and social services connect more than one billion people around the world, helping them to keep in touch with friends and family, access transportation, pay for daily necessities, and even have fun. Tencent publishes some of the world’s most popular video games and other high-quality digital content, enriching interactive entertainment experiences for people around the globe. Tencent also offers a range of services such as cloud computing, advertising, FinTech, and other enterprise services to support our clients’ digital transformation and business growth. 

Tencent has been listed on the Stock Exchange of Hong Kong since 2004. 

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Article Source: Tencent news release.

Cover Image, Top Left: Oracle bone, showing incised ancient script. Gary Todd, Creative Commons CC0 1.0 Universal Public Domain Dedication, Wikimedia Commons

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The Masters of Akrotiri

Standing and peering out from here, I could easily see why people the world over flock to this destination. Far below me lay what appeared to be a vast, lustrous blue Mediterranean inlet. In fact, it is a massive, ancient water-filled caldera — the result of multiple past volcanic eruptions. This is what makes Fira, Greece’s sunny, bustling Santorini tourist town, a magnet for Europe’s honeymooners and vacationing couples. Behind me I could hear throngs of them walking the strand that hugs the great caldera’s high ledge. They are here to shop the countless pricey boutiques that line the strand — jewelry, clothing, souvenirs, everything money can buy. Some of them are wearing the clothes they purchased in these shops just yesterday. Many of them, however, are either unaware or uninterested in arguably the most valuable asset this popular resort island has to offer: its past.

Just a short walking distance from where I stood, one of the world’s most prolific collections of ancient Aegean artifacts are displayed. Built in the early 70’s on the site of the earthquake-destroyed Ypapanti Church, the Museum of Prehistoric Thera stands almost unnoticed within a well-appointed gated space. Though almost lost among the commercial bustle that surrounds it, here is housed a time capsule of human habitation and life that flourished as much as over 5,000 years ago.

And even before.

One exhibit near the museum entrance features fossilized flora recorded in the walls of the ancient caldera, echoing a 60,000-year-old ecosystem with a Mediterranean climate not unlike today’s climate on Santorini (known anciently as Thera). Beyond this, the spaces reveal a rich Late Neolithic and Bronze Age history of human occupation, with the most prolific exhibits showcasing the great 17th century BC florescence of the remarkable Minoan civilization that dominated the island at that time. The urban settlement of Akrotiri, the archaeological remains of which Santorini is best known and from which most of the artifacts exhibited in the museum were excavated, represents one of archaeology’s most spectacular discoveries, second only to Italy’s Pompeii and Herculaneum for the wealth and preservation of the material culture ancient people have left behind……….

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View of the caldera from modern day Fira on Santorini.

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The Museum of Prehistoric Thera

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A view of the interior of the Museum of Prehistoric Thera

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Fossilized leaves of the olive tree from the walls of the caldera, dated to 60,000 BP.

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The Wonder of Akrotiri

For the people who went about their routine and peaceful daily lives in the island city of Akrotiri between 1609 and 1560 BCE, signs of the nearby volcano’s coming fury must have been noticeable for days. Earth tremors and tell-tale vapor-like plumes at its summit sounded the alarm, giving them time to quickly gather their most precious and necessary belongings and family members and make their way to the boats. As a maritime society where fishing, an aquatic industry and seagoing trade defined their lives, the technology and resources for evacuation were probably at hand. 

Archaeologists can paint such a picture of a society prepared to escape the loss of life characteristic of such a disaster, as excavations of the city’s remains yielded little or no skeletal remains which would evidence a population caught and perished in the great cataclysm that was the eruption of the Thera volcano — one of the largest volcanic events of human history. It is said to have ejected up to four times as much material as the famous eruption of Krakatoa in 1883, destroying all indigenous life on the island. Its effect was experienced across the globe, its plume and volcanic lightning possibly described in the Egyptian Tempest Stele, and the Bamboo Annals of ancient China reporting rare yellow skies and summer frost during the Shang dynasty — clear signs of a volcanic winter

Though largely abandoned by the time Thera released its first explosive bellow, Akrotiri’s pre-eruption structural face was transformed in the fiery onslaught. Yet, like ancient Rome’s Pompeii and Herculaneum below the pyroclastic expulsion of Mount Vesuvius in 79 AD, Thera’s ejecta and ash produced a remarkable result — an ancient city much destroyed yet miraculously well enough preserved to create a stunningly detailed time capsule of life and advanced human achievement more than 3,500 years old. 

Extensive excavations beginning in 1967 by archaeologist Spyridon Marinatos and his team uncovered a remarkably advanced urban settlement, with multi-storied buildings, paved streets, evidence of fine furniture, various religious and domestic vessels, magnificent fresco wall paintings, an elaborate and advanced drainage system, and much more. Like Pompeii and Herculaneum, Akrotiri proved to be one of the most spectacular archaeological sites ever uncovered. Of all the objects and features of the ancient city discovered, however, no other Bronze Age site in the world could compare to Akrotiri in terms of the early advanced works of distinctive fresco painting produced by its master artists — the most prolific collection of such paintings preceding the great fresco works of the masters of ancient Rome and Renaissance Italy much later. 

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Aerial view of the central area of the Akrotiri excavation site (model as exhibited within the Museum of Prehistoric Thera).

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Akrotiri: “Triangle Square”, shows the height at which the structures at Akrotiri were preserved from the volcanic eruption. See below for additional examples of site preservation.

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“Millhouse Square”

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“Pithoi Room”

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“Pithoi Room”

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“Pithoi Room”

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Plaster cast of a carved wooden table.

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Plaster cast of a portion of a chair.

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Basket impression

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Above and below: Amazingly well preserved furnishings.

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The Paintings of Akrotiri

The excavations at Akrotiri have informed a picture of public and religiously significant buildings and other structures adorned with masterfully created fresco paintings that reflected, for this time in ancient history, a unique, avant-garde style. They have marked the Minoans as a standout in this way among ancient populations, particularly during the 17th century BC. Moreover, of all the Minoan settlements that have been excavated, Akrotiri has yielded the best preserved paintings recovered in situ from the walls of its structures……….

Xeste 3

Located south within the excavation area, a large structure (the second largest excavated at Akrotiri) was found to contain the largest assemblage of wall paintings, and is distinct from all other structures in that it housed a lustral basin. In Minoan palaces such as that found at Knossos on Crete, lustral basins were sunken rooms that are thought to have been used either for ritual purification, or as bathrooms. This multi-storey building featured stone benches, a grand staircase, and 15 rooms. The rooms were connected with multiple pier-and-door partitions/doorways that permitted flexibility and adaptability to be interconnected or shut off when necessary. Archaeologists believe, based on the findings, that the building was used for public ceremonies and ritual activity. The rooms as well as the grand staircase were adorned with wall paintings.

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Artist rendering of Xeste 3, as presented at the Museum of Prehistoric Thera

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Above and below: Excavated remains of Xeste 3.

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Above and below: Xeste 3, Room 3, 1st Floor: Females gathering crocus flowers, then offering their stigmas to the Godess of Nature through the intervention of a monkey.

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Above and below: Xeste 3, Room 3, Ground Floor: Painted above the Lustral Basin, three females perform a ritual involving crocus plants on the Theran landscape.

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Above and below: Xeste 3, Room 3 Ground Floor: Male figures performing a rite of passage ceremony.

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Xeste 3: Wall painting with relief ornaments and painted rosettes: From a room on the second story

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The West House

Located in the west central part of the excavation site, the structure designated as the “West House” by archaeologists contained some of the best known, best preserved wall paintings. The house was long and relatively narrow, consisting of a ground floor, first floor, second floor and main staircase that gave access to each storey. The ground floor featured storerooms, workshops, a kitchen and a mill-installation. The first floor had storage rooms, a lavatory, two rooms featuring magnificent mural paintings, and a large chamber dedicated to weaving. The upper floor also contained rooms. The notable wall paintings found in the West House include two frescoes of fishermen, or youth fishers, a fresco of a female holding a vessel, interpreted as a priestess, and a magnificent miniature frieze depicting what is interpreted to be a flotilla, illustrating a major overseas voyage of a fleet visiting several harbors and towns. 

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Artist’s conception of the West House, as exhibited at the Museum of Prehistoric Thera.

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Above and below: Excavated remains of the West House.

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Above and below: Fishers as displayed in West House.

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A partial frieze, a portion of which may be illustrating a naval battle.

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Above and below: Paintings depicting the chambers of a ship.

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Above and below: Frieze illustrating the adventures and explorations of early Aegean seafarers.

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The House of the Ladies

Located in the northwest section of the site, the “House of the Ladies” is a large, multi-storey building thought to be the house of an upper class family. It was named after the wall fresco of the ladies and papyrus plants that decorated the interior of one of the rooms. The structure is thought to have once been a three-storey house with as many as 10 rooms on each floor, but extensive destruction of the north end of the building has created uncertainty.

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Above and below: Excavated remains of the House of the Ladies

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Above and below: The wall paintings from the House of the Ladies.

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Sector Beta

Situated in the south central area of the site, two attached buildings featured three of the most notable frescoes of Akrotiri.  The first floor of the western building was adorned with two wall paintings, the Antelopes and the Boxing Boys. The eastern building featured the large, avant-garde composition called “Fresco of the Monkeys”, showing monkeys climbing over a rocky landscape at the side of a river.

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The wall paintings of the monkeys as they would have related in situ in sector B structure room (As displayed in the Museum of Prehistoric Thera).

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Complex Delta

Occupying a central position in the city is the Complex Delta, which actually comprises four structures or buildings, each crowned above the entrance with double horns of consecration. Mud flow from the eruption inundated the rooms, yet preserved in situ one of Akrotiri’s most famous artworks, the Spring Fresco, in one of the rooms. Also preserved were imprints of wooden vessels and furniture, seen today as plaster casts. Other finds included tablets of the Linear A script and numerous examples of imported pottery, precious stone and bronze objects.

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Above and below: Excavated remains of Complex Delta.

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Above: Spring Fresco detail. Below: Spring Fresco in its entirety as exhibited at the National Archaeology Museum of Athens

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Creating the Art

Much of the style and iconography of the Theran wall paintings were clearly derived from those seen on Crete, where the greater part of Minoan civilization flourished. This included the common tripartite organization of the wall compositions, females represented in white flesh and males in brown, and themes including natural world elements and ritualistic, productive human activity. Although the artists drew from centuries-old Cycladic tradition in art creation, most of the Theran artists trended toward the avant-garde in their representations, a characteristic that set them apart from other artistic traditions and achievements of the time. 

As to the process of creating the paintings, the artists applied a mixed technique of buon fresco, applying pigments to wet plaster, and fresco secco, applying pigments to dried plaster. 

The paintings were created in four successive phases:

  1. Wall surfaces were first smoothed with a layer of mixed mortar and straw. Over this, they applied a layer of lime plaster (stucco) about  1 to 2.5 cm thick, then a layer or two of fine stucco.
  2. While the stucco was still wet, a taught, fine string was stretched/pressed into the stucco to create three horizontal physical divides in the wall composition. Wall paintings on Thera were typically divided into three zones in this way.
  3. The artist would render a sketching of the subject(s) by incising or light washing the lies into the stucco. This guided the actual painting onto the still-wet stucco/plaster, where the colors were absorbed into the plaster itself. Smaller details were then added often after the stucco had dried. 
  4. The palette of colors used were largely the same as that used by the Minoans on Crete: the background white of the stucco, earth pigments for black, red and yellow from hematite and yellow ochre, and Egyptian blue, imported from Egypt, and/or glaucophane. The painting was then enriched with different tones, including colors such as rose, pale pink, reddish brown, and dark brown. To achieve these variations, the artist combined pigments or mixed them in lime water. 

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Pithos containing lime-plaster. Above and below artifacts excavated at Akrotiri.

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Semiglobular cup containing red pigment

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Pigments and lime

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Paintings and painting techniques were not exclusive to walls. Here, for example, is a Minoan offering table excavated at Akrotiri, showing use of painting to illustrate ceramic ware with scenes and subjects from their natural surroundings. Ceramic ware pieces below indicate the same trend or style of painting throughout the culture at Akrotiri.

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A Theran Diaspora?

Though the distinctive Minoan style of wall painting can be said to be a regional phenomenon (e.g., Thera and Crete), in recent years archaeologists have found evidence of its presence in other parts of the Mediterranean. Were the art masters of Thera known and in employment demand among the palace, temple, and wealthy elites throughout the Bronze Age Old World trade network? Or did the artist refugees of the great Thera eruption find their way to other parts of the known world to ply their trade and perhaps even to settle?

The Canaanite site of Tel Kabri in present-day northwest Israel, for example, could hold clues to answers. The author spoke with the George Washington University’s Dr. Eric H. Cline in Washington, D.C. in May of 2011. Cline had already been co-director of the excavations at Kabri for years at that point.*

“Kabri, which is a Canaanite palace,” said Cline, “has Minoan wall and floor paintings in it…… We already knew about this site because Kabri had been excavated before by [Aharon] Kempinski and [Wolf-Dietrich] Niemeier from 1986 to 1993, and they found a painted floor and about 2,000 fragments of painted plaster.”

There are several things that strongly suggest the paintings were Minoan or Cycladic in style, according to Cline.

“One is this whole technique of painting on the plaster wall while it is still wet,” continues Cline. “That is an Aegean technique. In the Near East, they more often painted after the plaster was dry. Second, there is a technique of using strings to help in the painting process. For example, the Minoans took a string and just tightened it so that it contacted the wet plaster and created a perfectly straight line. We have plaster at Kabri that shows that. The other thing they did was take string and dip it in, for example, red paint, and tighten it quickly against the plaster. The red paint thus makes a perfectly straight line. That is how the floor at Kabri was created. That is a Minoan technique.”

Moreover, the painted subject matter appears to match the subject elements typically depicted in wall paintings such as those found at Akrotiri on Thera and Knossos on Crete, says Cline, such as certain plant and flower types, the ships, and architecture. 

Were they works produced by Theran artisans who were displaced by the great Theran eruption? Possibly, says Cline, But he emphasizes that this is purely speculative. 

Were they evidence of new, permanent Minoan settlers at Kabri? Possibly, says Cline. But likely not for long. Cline summarizes his view on this question:

“There is no evidence so far that Minoans, or any other Aegean people, such as those in the Cyclades or mainland Greece, migrated to and settled at Kabri as a group. We don’t have enough Minoan pottery to support that. I suspect that, yes, the eruption at Santorini may have caused a migration of people from the island, including artisans who may have painted at Akrotiri or Knossos and were in need of employment, staying at Kabri temporarily. Certainly the paintings at Kabri look an awful lot like the ones on Santorini [ancient Thera].  So it may have been a refugee situation, but that would be mere speculation. The one thing we can support right now is that, if there was a group of Aegean people at Kabri, they were only living there temporarily.”

At least three other places or excavation sites in the eastern Mediterranean have evidenced painting like that found at Akrotiri. One is Tel Dab’a in Egypt, another in Turkey at Alalakh, and  finally at Qatna in Syria, currently being excavated by a German/Italian/Syrian team. 

Married to the Sea

As I found myself hiking along the edge of Santorini’s great caldera and gazing out and down at ocean water where, anciently in some places dry land existed, I could not help but think about the ancient landscape, and the people who once thrived here over 3600 years ago. 

Though the written records of Akrotiri — as they were created on clay tablets in Linear A, a yet undeciphered script — have offered few clues to this ancient society, the artifacts, structures, and paintings revealed by the excavations have provided a rare window on the lives of this ancient people: We know they were advanced in the sense that they lived in multistoried buildings with sophisticated drainage and water distribution systems, indoor bathrooms, lustral basins for ritual practice, and apartments and rooms designed for flexible and adaptable use. Though they practiced agriculture, they were most of all a maritime people, whose economy flourished on extensive trade with other civilizations in and around the Mediterranean, such as Minoan Crete, Mainland Greece, Egypt, Cyprus, and the Levant. Pottery imports and other artifacts, as well as their wall paintings depicting ships, testify to this. This therefore was a people who were enriched through trade. Its position on an island that occupied a strategic position between Cyprus and the Levant to the east, Crete and Egypt to its south, and mainland Greece to its north, made sure of that. Its people wore fine clothing. Artifacts and structures evidenced a well-developed textile industry. The beautifully-clad women appeared to have been revered and, indeed, occupied an important and even elevated position in its culture and religious practices, even in the form of deities. Their culture and way of life was deeply defined by their religion. In addition, they loved and esteemed their natural environment, as clearly demonstrated by their art. Above all, the masterful paintings have given the world an almost intimate and stylistic window on the minds of the Akrotirian inhabitants. 

Walking among the remains of Akrotiri, I marveled at how the 3,600-year-old shroud of its volcanic ash and debris was painstakingly removed many years ago by teams of archaeologists and their volunteers. Today the city stands silent and empty, at least the small portion that has been thus far revealed — a shadow of a once bustling community. Only the mind’s eye can now fill these streets with life. But subtle clues in its remains tell us they were a people likely much like us. 

Perhaps more than we might imagine. 

 

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Study finds environmental conditions influenced how early humans migrated across northern Eurasia and the Americas beyond Africa

FLINDERS UNIVERSITY—Researchers have gleaned new insights into the great human migration, revealing how environmental conditions in northern Eurasia and the Americas shaped the journey of ancestors who left Africa tens of thousands of years ago.

The Out of Africa theory suggests that more than 70,000 years ago, some groups left Africa to spread across Europe, Asia, Australia, and the Americas. However, it remains unclear how much the environment they encountered beyond Africa facilitated or hindered their journey.

Researchers combined climate models, genetic data, and archaeological evidence to examine how regional environmental conditions influenced migration and to re-establish our long-lasting connection to nature. 

The multidisciplinary analysis*, led by Flinders University ecologist Dr Frédérik Saltré and recently published in Nature Communications, demonstrates that while the relative importance of environmental factors varies across regions, our ancestors travelled primarily through warm and humid areas containing a mix of forest and grasslands near rivers.  

“The first human migrants favored routes that provided essential resources and facilitated travel, as well as regions with a mix of forests and open areas for shelter and food, while allowing them to expand into new territories,” Dr Saltré, whose study was supported by the Australian Research Council Centre of Excellence for Australian Biodiversity and Heritage (CABAH), said.

In Europe, humans likely first spread from the Fertile Crescent through the Caucasus Mountains into Scandinavia approximately 48,300 years ago and Western Europe around 44,100 years ago, following warmer and wetter conditions. 

In northern Asia, migration routes followed major rivers to cope with harsher climates before reaching Beringia, a currently submerged land bridge between Siberia and Alaska, approximately 34,700 years ago. 

In North America, humans initially migrated along the Pacific coast around 16,000 years ago, and then approximately 3000 years later, moved inland through the ice-free corridor by the Mackenzie River. 

In South America, migration followed wetter grasslands bordering the Amazon, leveraging connectivity provided by major rivers by 14,800 years ago.

Professor Tom Higham of the University of Vienna said the power of these new modeling approaches in understanding the deep human past is exciting for archaeological science.

“For too long we have been working rather separately in our different approaches. Incorporating new modeling methods with the latest climatic, archaeological, and environmental data allows really exciting insights into understanding how ancient humans moved and adapted across vast continents tens of thousands of years ago.” 

Professor Corey Bradshaw, also from Flinders University and a Chief Investigator at CABAH, said modeling provides a powerful framework for exploring and understanding the complexities of deep history, offering insights into how past events and conditions have shaped the present.

“Knowing where people first trekked beyond the cradle of human evolution gives us a flavor of how adaptable our early ancestors were, what environmental challenges they faced, and how they overcame them and survived. We can also infer the technological innovations that were at play during those times—such as watercraft, clothing, and other tools—that allowed people to exploit the most hostile environments.”

Associate Professor Bastien Llamas from The University of Adelaide and a Deputy Director in CABAH said merging genetic data with historical climate information and archaeological discoveries is a powerful method for inferring past human migration patterns.

“Studying genetic differences between groups of people helps us understand ancient migration patterns. Typically, this results in a basic map showing general movements from one area to another without detailed routes. However, by combining genetic data with information about past climates, environments, and archaeological findings, we can create much more detailed and accurate maps of how people moved over time and across different regions.” 

Dr Saltré said the study’s results help us appreciate the importance of biodiversity in how our ancestors adapted to and overcame environmental challenges. 

“It underscores how climate and ecology shaped human prehistory, highlighting biodiversity’s role in human survival and mobility, demonstrating that rich ecosystems enabled humans to thrive in new environments for thousands of years. The biodiversity crisis that we are experiencing now compromises our ability to thrive. Despite the advanced technology we have today, I genuinely wonder if we will last long without maintaining the bulk of current biodiversity.”

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The infographic shows the routes most likely favored by the first human migrants across Eurasia and the Americas. These routes are estimated using a statistical combination of archaeological and genetic data. Colored areas indicate the type of ecosystems encountered, based on climate and vegetation models. The inset image illustrates the ideal migration conditions: warm and humid areas containing a mix of forest and grasslands near rivers. Flinders University

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Article Source: FLINDERS UNIVERSITY news release.

How Prehistoric Humans Discovered Fire Making

Deborah Barsky is a writing fellow for the Human Bridges, a researcher at the Catalan Institute of Human Paleoecology and Social Evolution, and an associate professor at the Rovira i Virgili University in Tarragona, Spain, with the Open University of Catalonia (UOC). She is the author of Human Prehistory: Exploring the Past to Understand the Future (Cambridge University Press, 2022).

An ancient Greek myth tells the story of Prometheus, who, after molding humans out of clay and teaching them the fine arts of civilization, defied the Olympian Gods by stealing the secret of fire and offering it to humans. Prometheus paid dearly for this act of transgression that doted humankind with unprecedented technological know-how, ultimately transforming their condition into one of great power.

The moral behind the Promethean archetype is a cautionary one, intended to warn us about the risks attached to the unbridled pursuit of technology that can inadvertently result in catastrophic scenarios. The Prometheus myth underscores not only the formidable power that individuals may come to possess by defying authority in the quest to develop science and technology but also suggests that anyone who does so will suffer the consequences.

It is significant that the Greeks chose fire as the subject to deliver this warning. Without a doubt, the capacity to produce and control fire stands out among the most transformative technological feats achieved by our prehistoric ancestors; one that ultimately consolidated human planetary domination. But how, when, and where did early humans harness the technologies necessary to master fire making? What does the archeological record tell us about how they finally obtained the Promethean secret of fire making?

Like other milestones marking the human evolutionary pathway (like perfecting stone axes or mastering advanced hunting practices), the know-how required to make, use, and control fire evolved progressively, encouraged by human ingenuity and, probably also, by trial and error. Fire making techniques were perfected over time and transmitted socially, while different human groups explored the multifaceted revolutionary potential offered by controlling it. Before truly mastering fire making, early humans may have experienced a precedent phase during which they used fire passively, gathering, preserving and even transporting brazes ignited by natural causes (lightning, spontaneous combustion, etc.), prior to learning how to actively generate and control it. In the meantime, curiosity led them to explore the mysterious properties of fire, while also inspiring them to seek ways to master its secrets.

While looking back in time, it is difficult to pinpoint exactly when our ancestors began to control fire-making technologies. Recognizing intentionally ignited and sustained fires in archeological contexts poses challenges since the simple presence of burned bones and stones or localized areas of charred soils are not sufficient to prove that hominins were actively producing fire. Before 1 million years ago, sparse evidence from some African sites could suggest that hominins were opportunistically harvesting fire from naturally kindled blazes; rather than practicing truly operative fire making. However, a multidisciplinary study from the Wonderwerk Cave in South Africa reports convincing evidence for intentional burning in a controlled archeological context dated to 1 million years old.

While such early signals of fire making are rare and difficult to recognize and interpret, globally, the ability to set fire at will is heralded as a major groundbreaking accomplishment attributed to the Homo erectus lineage who lived during the Lower Paleolithic period. This group of hominins is known to have produced an impressive array of tools belonging to the so-called Acheulian industrial complex that emerged in Africa 1.75 million years ago. Fire making is not the only groundbreaking achievement marking the 1.4 million-year-long reign of the Acheulian peoples. Throughout this time, hominins invented and came to master highly complex technological achievements, documented archeologically in the form of stone and (sometimes) bone tools. These technologies facilitated the expansion of H. erectus populations into Eurasia, where they continued to perfect and diversify the toolkits that afforded them adaptive advantages; improving their ability to multiply and flourish.

Aside from their broadening cultural repertoire, parallel processes of social development (more difficult to recognize in the archeological record) were also taking place. Rising demography is manifest in both Africa and Eurasia from the exponential increases in the number, density, and variety of archeological sites: a phenomenon that must in turn have generated more frequent interpopulational encounters, assuring reproductive viability and offering opportunities for cultural transmission at various levels. Acheulian hominins began to organize themselves into functional collective units that allowed them to more effectively share and exchange their newfound skills: a strategy that would ultimately favor their survival.

It is only after the 1-million-year mark that the global repercussions of the consolidation of fire-making technologies become more clearly visible in some archeological contexts outside of Africa. At the Acheulian site of Gesher Benot Ya’aqov, in the Jordan Valley, for example, compelling evidence some 780,000 years old confirms that hominins were not only making fire at will but were also deliberately cooking fish. Meanwhile, as far away as China, but in a similar timeframe (800,000 to 600,000 years ago), there is proof in the famous multi-leveled Acheulian cave site of Zhoukoudian that individuals belonging to an Asian strain of H. erectus were also successfully experimenting with controlled burning in occupational settings.

Despite these rare and ancient occurrences, indications that hominins were actively generating and controlling fire became more ubiquitous only thousands of years later, toward the end of the Acheulian phase (after around 400,000 years ago), and then even more frequent as we move into the Eurasian Middle Paleolithic and African Middle Stone Age. Technological and behavioral diversity multiplies exponentially from this time forward, as toolkits differentiate to form complex formal manifestations of culture. Importantly, dwellings (often in caves) become recognizable provisioned home bases, where hominins returned regularly (or seasonally) over many generations. For the first time, organized living spaces can be identified within base camp settings that were structured around easily recognizable combustion structures, or hearths.

So, while H. erectus is credited with initiating the fire-making revolution sometime during the early phases of the Acheulian, it is only much later that the Pre-Neandertals and other forms of pre-modern and modern Homo thriving in Eurasia at the end of this period began to more intensively experiment with the enormous potential offered by the Promethean gift of fire. Around 350,000 years ago, on the eve of the shift from the Lower to the Middle Paleolithic, the prevalence of hearths within prehistoric living spaces signals important changes taking place in hominin lifestyles.

Making fire was interwoven with many social, technological, and behavioral developments that triggered major changes that would shape humanity from that point onward. While (rather surprisingly) fire does not seem to have been a requirement for hominins expanding to territories situated in higher latitudes, it would have helped facilitate their capacity to take root in areas dominated by harsh or unstable climatic conditions. In terms of hunting, fire-wielding hominins would have had huge advantages over other kinds of carnivores with whom they competed for resources; fire also guaranteed the safety and protection of their own communities.

Besides taking advantage of these benefits, our ancestors experimented extensively with fire over thousands of years and grasped the significance of its power to transform the properties of other materials available in the landscape. They eventually learned to use fire to improve their weaponry (like heating flint to improve its knapping quality) and to assemble composite implements by hafting pointed stone tools onto branches using adhesives prepared with heat—such as tar and ocher. In addition, cooking food must radically have transformed the hominin diet, reducing the likelihood of contracting bacterial diseases and parasites from meat and other foodstuffs, while opening up innovative pathways toward enlarging the paleo diet (boiling, smoking, drying, etc.).

But among all of the spectacular changes afforded to prehistoric humans by the mastery of fire perhaps the most important and most difficult to assess archeologically is the social impact it must have had. With fire, humans were finally able to dompt the darkness and linger with confidence into the night, gathered together in proximity to hearths that afforded them warmth, light, and comfort. This leads us to postulate a variety of socially related activities, like storytelling or other communal rituals. While it is impossible to measure the impact of this complex series of events that so indelibly affected human evolution, we can still discern how technology and culture were interwoven to catalyze the advancement of symbolic communication within the developing brains of our ancestors, finally grouped into distinct territorial social units.

Later still, during the Middle and Upper Paleolithic periods, our human predecessors used firelight to venture into deep cave systems to perform ritual activities and create art on the cave walls, bringing it to life with the play of torchlight. Toward the end of the Paleolithic, humans continued to explore the powerful transformative qualities of fire, eventually learning to obtain and maintain the high temperatures necessary to transform clay into pottery and, later, to melt metal ores into usable items that would, once again, revolutionize the human story.

Even today, fire remains a powerful force whose symbolic meaning is deeply rooted within our collective unconsciousness. Though Prometheus was eventually delivered from his torment, his transgression still resonates as a lesson to humankind’s defiant striving to master transformative technologies without heeding the looming dangers posed by the unforeseen consequences of such actions.

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This article was produced by Human Bridges.

Cover Image, Top Left: Prehistoric humans using fire. Franz26, Pixabay

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‘Extraordinary’ 4,000-year-old Egyptian skull may show signs of attempts to treat cancer

FRONTIERS—From ancient texts we know that – for their times – the ancient Egyptians were exceptionally skilled at medicine. For example, they could identify, describe, and treat diseases and traumatic injuries, build protheses, and put in dental fillings. Other conditions, like cancer, they couldn’t treat – but they might have tried.

Examining the limits of traumatological and oncological treatments in ancient Egypt, an international team of researchers has now studied* two human skulls, each thousands of years old.

“We see that although ancient Egyptians were able to deal with complex cranial fractures, cancer was still a medical knowledge frontier,” said Tatiana Tondini, a researcher at the University of Tübingen and first author of the study published in Frontiers in Medicine.

“This finding is unique evidence of how ancient Egyptian medicine would have tried to deal with or explore cancer more than 4,000 years ago,” added the study’s lead author, Prof Edgard Camarós, a paleopathologist at the University of Santiago de Compostela. “This is an extraordinary new perspective in our understanding of the history of medicine.”

Cutting away cancer

“We wanted to learn about the role of cancer in the past, how prevalent this disease was in antiquity, and how ancient societies interacted with this pathology,” explained Tondini. To do so, the researchers examined two skulls held at the University of Cambridge’s Duckworth Collection. Skull and mandible 236, dating from between 2687 and 2345 BCE, belonged to a male individual aged 30 to 35. Skull E270, dating from between 663 and 343 BCE, belonged to a female individual who was older than 50 years.

On skull 236, microscopic observation showed a big-sized lesion consistent with excessive tissue destruction, a condition known as neoplasm. In addition, there are 30 or so small and round metastasized lesions scattered across the skull.

What stunned the researchers was the discovery of cutmarks around these lesions, which probably were made with a sharp object such as a metal instrument. “When we first observed the cutmarks under the microscope, we could not believe what was in front of us,” said Tondini.

“It seems ancient Egyptians performed some kind of surgical intervention related to the presence of cancerous cells, proving that ancient Egyptian medicine was also conducting experimental treatments or medical explorations in relation to cancer,” explained co-author Prof Albert Isidro, a surgical oncologist at the University Hospital Sagrat Cor, who specializes in Egyptology.

Cancer in antiquity

Skull E270, too, shows a big lesion consistent with a cancerous tumor that led to bone destruction. This may indicate that although today’s lifestyle, people getting older, and cancer-causing substances in the environment increase cancer risk, cancer was also a common pathology in the past.

On skull E270, there are also two healed lesions from traumatic injuries. One of them seems to have originated from a close-range violent event using a sharp weapon. These healed lesions could mean that the individual potentially received some kind of treatment, and as a result, survived.

Seeing such a wound on a female individual, however, is uncommon, and most violence-related injuries are found on males. “Was this female individual involved in any kind of warfare activities?” asked Tondini. “If so, we must rethink the role of women in the past and how they took active part in conflicts during antiquity.”

The researchers, however, also said that studying skeletal remains comes with certain challenges that make definitive statements difficult, especially since remains often are incomplete and there is no known clinical history. “In archaeology we work with a fragmented portion of the past, complicating an accurate approach,” Isidro pointed out.

“This study contributes to a changing of perspective and sets an encouraging base for future research on the field of paleo-oncology, but more studies will be needed to untangle how ancient societies dealt with cancer,” concluded Camarós.

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Skull and mandible 236, dating from between 2687 and 2345 BCE, belonged to a male individual aged 30 to 35. Image: Tondini, Isidro, Camarós, 2024. Tondini, Isidro, Camarós, 2024.

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Skull E270, dating from between 663 and 343 BCE, belonged to a female individual who was older than 50 years. Image: Tondini, Isidro, Camarós, 2024. Tondini, Isidro, Camarós, 2024.

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Cutmarks found on skull 236, probably made with a sharp object. Image: Tondini, Isidro, Camarós, 2024. Tondini, Isidro, Camarós, 2024.

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The skulls were examined using microscopic analysis and CT scanning. Image: Tondini, Isidro, Camarós, 2024. Tondini, Isidro, Camarós, 2024.

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Article Source: Frontiers news release.

Isotopic Analysis for Archaeological Applications

Isotopic analysis has numerous applications within the discipline of archaeology, anthropology, and geoarchaeology. In particular, uranium-thorium, lead, and strontium isotope testing can be used to research such topics as migration studies, paleoclimatology, environmental reconstruction, anthropology, and geochronology.

Strontium Isotopes Tell Us Where Our Ancestors Came From

Strontium (Sr) isotope ratio data can be used to reconstruct migration through time. Strontium has four naturally occurring stable isotopes: 84Sr, 86Sr, 87Sr, and 88Sr. 87Sr is radiogenic with a half-life of 48.8 billion years, resulting from the β-decay of 87Rb (rubidium). Approximately 83% of naturally occurring strontium is 88Sr. When answering research questions about migration and mobility studies, the 87Sr/86Sr ratio is applicable due to their similar abundances (7% and 10%), high mass and distinct natural spatial variability.1

Trace amounts of strontium are present in rocks. The isotopic signature is transferred to overlaying soil and water – ultimately taken in by plants and animals as they consume the water and plant matter. As rock weathers and traverses the food chain, the Sr ratio remains fairly constant due to its high mass, making it possible to connect a sample to a specific location. 87Sr/86Sr analysis of migration is applicable to sample types including bone, hair, and tooth enamel.

The geochemical origin of a sample is represented by the ratio of 87Sr/86Sr. A unique 87Sr/86Sr ratio is found in different geographic areas, fluctuating depending on the area’s water sources and geology and thus, living things inherit their habitat’s specific Sr isotopic signature. Migration of humans and animals from one region to another subjects them to different Sr signatures. Thus, measuring the 87Sr/86Sr ratios of tissue and bone allows mobility and migration patterns to be tracked through time. Teeth, for example, are developed in infancy and can be used to identify where an individual was born and raised. Fingernails continuously regenerate and would be able to provide details of a living organism’s most recent location before death.

Strontium Isotopes For Tracking Human Mobility: A Case Study

In a 2016 study by Wang et al., the authors used strontium isotope analysis to trace mobility within the early Iron Age populations of the Pamir Plateau in Eurasia. There has been some evidence that inner-Asian populations partook in long-distance trade and migration with other pre-Silk Road cultures with the discovery of foreign material culture such as silk thread.2 These hypotheses were strengthened via strontium isotope research of human remains from a 2,500 year old cemetery on the Pamir Plateau. Isotopic variability in 87Sr/86Sr ratios in dental enamel samples taken from 34 sets of human remains suggest the presence of a highly mobile population. The majority of the remains (24 individuals) were shown to be local to the area, whilst 10 of the individuals possessed ratios suggesting they were migrants.3 This study demonstrates the great potential for understanding human migration patterns, mobility, and trade associations utilizing 87Sr/86Sr ratios.

Developing Uranium-Thorium Chronologies to Reconstruct Past Environments

Uranium-Thorium (U-Th) dating is used to estimate sample ages and develop chronologies for paleoclimate research and environmental reconstruction. While radiocarbon dating measures the quantity of decay of the carbon-14 isotope (14C), U-Th dating measures a decay chain ratio between 234U/230Th. This measurement allows the time that has passed since the sample was formed to be calculated, resulting in the age of the sample.

At the time of formation, the U-Th ratio is initially completely composed of uranium. Over time, the uranium decays into thorium, giving the sample a higher concentration of thorium. Analysis is based on a ratio of parent (234U) and daughter (230Th) atoms in a given sample and measures their isotope activity, calculating the decay of the parent and production of the daughter over time. Younger samples will have had less time to decay, giving them a higher proportion of parent atoms while older samples will have more daughter atoms. U-Th chronology development is based on a couple of assumptions. First, it is assumed that the sample is behaving as a close system with respect to uranium and thorium, meaning there is no elemental exchange between the sample and surrounding environment. Samples which are susceptible to such exchanges (e.g. bone, foraminifera, shells) are not suitable for this method. To be able to calculate the age, the initial thorium value in the sample (Th0) at the time of formation must be known. Since the Th0 in the sample is not known, it is assumed that the sample contains the average crustal detrital thorium value at the time of formation.

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The uranium decay series

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The ratio between the parent and daughter atoms allows the sample age to be determined. U-Th dating has a dating limit of up to 500,000 years, making it a better option than other methods with lower dating thresholds such as radiocarbon dating for certain sample types.4 U-Th dating is applicable to calcium carbonate (CaCO3) bearing samples including cave art, speleothems and flowstones, and coral. It is important to be aware of whether a sample comes from an open system or a closed system as it impacts the accuracy of the dating results. The U-Th dating method is based on the assumption that the material is a closed system (e.g. corals, speleothems), meaning that the material hasn’t exchanged uranium or thorium with the surrounding environment. On the other hand, open system samples (e.g. bone, sediments) allow for the exchange of matter (including uranium and thorium), producing lower certainty results. Therefore, the most optimal samples for U-Th dating are those that represent closed systems.5 

Lead Isotopes Reveal Human Environmental Impact And Metal Artifact Provenance

Lead (Pb) isotope ratios that are within the uranium decay chain are a function of the amount of uranium and thorium present. The amount of U and Th present is affected by geological processes. For this reason, lead isotopes are a useful tool for answering research questions about the nature and timing of these geological processes.6 The lead isotopic composition of geologic material is a function of three independent decay chains, contributing to potential isotopic variability in minerals. Pb measurement is applicable to igneous and metamorphic rocks, mineral dust, marine and lacustrine sediments, bones, tooth enamel, soil, and others. Testing has a variety of applications including geochemical fingerprinting, and contaminant source tracing.

Geochemical fingerprinting uses the unique lead isotopic signature present in different rock lithologies as well as overlying soils to allow specific areas on the earth’s surface to be distinguished. Distinct isotopic ratios are presented by different rocks, a property that is used extensively for provenance studies such as establishing the geological origin of metals. Lead isotopes do not change form during the conversion process from ore to artifact (e.g. lead pigments, coins). Therefore, analysis can shed light on research questions concerned with trade and the geographical movement of objects because information about where the ore was mined is retained by the material. For example, Cooper, H.K. and Simonetti, A. describe the validity of lead isotope analysis for researching archaeometallurgical provenance in their 2021 study.7 They determined the lead isotopic ratios of the native copper deposits in the Arctic and Subarctic regions of northwestern North America could be distinguished enough to identify regional differences in their isotopic signatures. The ability to distinguish these signatures could be used to reveal copper trade connections.

Another application of lead isotope measurement, contaminant source tracing, is based on the impact caused by human influences on lead’s biogeochemical cycle. Lead enters the environment via various human activities including mining and smelting. Different lead isotope ranges can be correlated to specific anthropogenic activities and used to measure human impacts on the environment over time. Lead can also be traced in bone and teeth. A 2019 study by Scott et al. measured a toxic level of lead contamination in Roman bones from Londinium.8 These results suggest the potential prevalence of widespread lead contamination in urban Roman settlements. Although the study doesn’t indicate a specific singular source or rule out the potential for post-mortem contamination, it highlights contaminant source tracing as a tool for measuring lead exposure within populations.

Conclusion

Strontium, uranium-thorium, and lead isotope analyses are valuable techniques with many applications for archaeological research. One of these applications uses strontium isotopic analysis to reveal information that is beneficial for investigating human and animal migration and mobility. U-Th dating can be used to obtain chronological data for reconstructing climate and environmental changes through time. Lead isotopes are applicable to research into the geological origin of metal artifacts via geochemical fingerprinting and identifying human activities using contaminant source tracing.

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Published with permission of Isobar Science, www.isobarscience.com

Cover image, top left: chenspec, Pixabay

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Sources

1: https://isobarscience.com/strontium/application/ Accessed September 27, 2021

2, 3: Wang, X., Tang, Z., Wu, J. et al. Strontium isotope evidence for a highly mobile population on the Pamir Plateau 2500 years ago. Sci Rep 6, 35162 (2016). https://doi.org/10.1038/srep35162 Accessed May 6, 2022.

4: https://isobarscience.com/u-th/application/ Accessed September 27, 2021

5: https://isobarscience.com/u-th-dating-assumptions/ Accessed May 20, 2024.

6: https://isobarscience.com/lead-isotopes/application/ Accessed April 21, 2022
7:
Cooper HK, Simonetti A. Lead Isotope Analysis of Geological Native Copper: Implications for Archaeological Provenance Research in the North American Arctic and Subarctic. Minerals. 2021; 11(7):667. https://www.mdpi.com/2075-163X/11/7/667. Accessed May 20, 2024

8:  Scott SR, Shafer MM, Smith KE, Overdier JT, Cunliffe B, Stafford TW Jr, Farrell PM (2020) Elevated exposure in Roman occupants of Londinium: new evidence from the archaeological record. Archaeometry 62:109–129. https://onlinelibrary.wiley.com/doi/10.1111/arcm.12513 Accessed May 20, 2024

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3,500-year-old Mycenaean armor was suitable for extended battle

UNIVERSITY OF BIRMINGHAM—A 3,500-year-old suit of Mycenaean armour may have been used in battle – and not just for ceremonial purposes as previously thought – new research* reveals.

Small Aegean Things with Big Value

The ancient Aegean Bronze Age Minoan and Mycenaean civilizations are most popularly known for their 2nd Millennium B.C. period monumental palaces and their magnificent, stylish wall painting frescoes (particularly those of the Minoans), as well as numerous clay tablets and other artifacts bearing the Linear A and Linear B scripts. Equally important, however, are the markings the Aegean people created on small seals and sealings which have come to light over the years through excavations and private collections.

In the 4th episode of Dr. Ester Salgarella’s ongoing podcast series, Aegean Connections, Dr. Sarah Finlayson, Research Fellow in the Department of Aegean and Textile Archaeology, University of Warsaw, enlightens listeners about how these otherwise small objects of antiquity carry big value in terms of furthering our understanding of the ancient Aegean civilizations. In this production, Dr. Finlayson makes the point that much can be revealed in small things forgotten.

Learn more about this by listening to the podcast episode, Are we hitting the ‘mark’? Exploring marking practices in the Bronze Age Aegean

Cover Photo, Top Left: Minoan Seal, 1700 BC, Badisches Landesmuseum Karlsruhe – Special Exhibition 2001. Andree Stephan, CC BY-SA 4.0, Wikimedia Commons

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Pagan-Christian trade networks supplied horses from overseas for the last horse sacrifices in Europe

CARDIFF UNIVERSITY—Horses crossed the Baltic Sea in ships during the Late Viking Age and were sacrificed for funeral rituals, according to research from Cardiff University.

Egyptian pyramids built along long-lost Ahramat branch of the Nile

SCIENTIFIC REPORTS—31 pyramids in Egypt, including the Giza pyramid complex, may originally have been built along a 64-km-long branch of the river Nile which has long since been buried beneath farmland and desert. The findings, reported in a paper* in Communications Earth & Environment, could explain why these pyramids are concentrated in what is now a narrow, inhospitable desert strip.

The Egyptian pyramid fields between Giza and Lisht, built over a nearly 1,000-year period starting approximately 4,700 years ago, now sit on the edge of the inhospitable Western Desert, part of the Sahara. Sedimentary evidence suggests that the Nile used to have a much higher discharge, with the river splitting into several branches in places. Researchers have previously speculated that one of these branches may have flown by the pyramid fields, but this has not been confirmed.

Eman Ghoneim and colleagues studied satellite imagery to find the possible location of a former river branch running along the foothills of the Western Desert Plateau, very near to the pyramid fields. They then used geophysical surveys and sediment cores to confirm the presence of river sediments and former channels beneath the modern land surface, indicating the presence of a former branch, which they propose naming ‘Ahramat’ (meaning ‘pyramids’ in Arabic). The authors suggest that an increased build-up of windblown sand, linked to a major drought which began approximately 4,200 years ago, could be one of the reasons for the branch’s migration east and eventual silting up.

The discovery may explain why these pyramid fields were concentrated along this particular strip of desert near the ancient Egyptian capital of Memphis, as they would have been easily accessible via the river branch at the time they were built. Additionally, the authors found that many of the pyramids had causeways which ended at the proposed riverbanks of the Ahramat branch, which they suggest is evidence the river was used for transporting construction materials.

The findings reiterate the importance of the Nile as a highway and cultural artery for ancient Egyptians, and also highlight how human society has historically been affected by environmental change, according to the authors. Future research to find more extinct Nile branches could help prioritize archaeological excavations along their banks and protect Egyptian cultural heritage, they add.

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The water course of the ancient Ahramat Branch borders a large number of pyramids dating from the Old Kingdom to the Second Intermediate Period, spanning between the Third Dynasty and the Thirteenth Dynasty. Eman Ghoneim

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Article Source: Scientific Reports news release

Seeing Red: Our Ancient Relationship With Ocher and the Color of Cognition

Irina Matuzava is a contributor to the Human Bridges project.

Twenty-three million years ago, our distant ancestors gained trichromatic color vision through means of a random genetic mutation. Trichromatic color vision and trichromacy refer to the ability to perceive color through three receptors in the eye, known as cones, which are sensitive to different wavelengths of visible light. It has been assumed that primates ancestral to humans had two cones at the start of their lineage; the duplication and modification of genes coding for one of the two created another distinct, separate cone. Gaining a third cone allowed for the perception of red and other colors with long wavelengths in addition to the two preexisting receptors for blues and greens with shorter wavelengths—red was entirely unknown to primate species before this mutation, and the ability to see red remains rare among other mammals. Exceptions to mammalian dichromacy, the state of having two cones, are uncommon. Some primates lost one of their cone receptors, becoming monochromats. Having a single cone, monochromats like the nocturnal owl monkeys (genus Aotus) perceive light intensity in shades of gray without the ability to differentiate color values. Others, including the ancestors of modern apes, monkeys, and humans, happened to gain a third cone.

Michael H. Rowe, professor emeritus of neuroscience at Ohio University, confirms that random processes were involved in the evolution of primate trichromacy in his study of the underlying neurophysiological mechanisms, and outlines the two dominant theories for the maintenance of a third cone among primates. One longstanding theory is that of enhanced fruit detection among diurnal primates, who are most active during the daytime. According to this theory, improved discernment of red fruits against green foliage led to a direct increase in efficiency when foraging for nutritious food. The second theory, however, suggests it was the consumption of leaves rather than fruit that more strongly influenced routine trichromacy. This alternate “young leaf” hypothesis emphasizes the importance of enhanced color vision when selecting nutritious leaves over their less beneficial counterparts, especially at times when fruit is scarce and surviving off of leaf consumption becomes critical. Rowe’s findings and the newer “young leaf” theory also align with the later evolution of trichromatic vision in the howler monkey, a New World primate.

New World primates like the howler monkey and Old World primates, which include humans and apes, are two major groups within the order Primates that differ in anatomical features and geographic distribution. Since their last common ancestor did not have trichromatic vision, the trait evolved in both Old and certain New World species through convergent evolution. This occurs when similar traits evolve among distantly related species, usually due to similar environmental pressures and advantages to the trait.

Further down the evolutionary timeline, rocks and minerals became the cornerstones of technological advancement among hominins. Within the range of widely accessible raw materials, one pigment stands out with its broad spectrum of color: ocher. Ocher varies in shade depending on its chemical and structural composition, appearing from light yellows and rusty browns to deep red-purple hues. Red ocher, for example, gains its color from an abundance of an iron oxide called hematite.

Known evidence for processing and crushing ocher pieces by early humans in Africa dates as far back as the Early Stone Age. In a 2022 article published by the Journal of World Prehistory, researchers Rimtautas Dapschauskas and his co-authors compared the frequency of ocher use over time between over 100 African archaeological sites. They found that ocher, particularly of the hematite-rich variety, grew in geographical distribution and frequency of use from 500,000 y.a. (years ago) and became part of the cultural behaviors habitual to site inhabitants as early as 160,000 y.a. Over a third of sites included in this study that were used at or after this date contained various forms of the material. Notable ocher finds from Early to Late Stone Age African sites include two intentionally shaped pieces of red ocher from 307,000 y.a. at the Olorgesailie basin in Kenya, as well as a workshop at Blombos Cave, South Africa, for processing ocher 75,000-100,000 y.a. Several of the Blombos Cave specimens display patterns of wear suggesting their use on hard surfaces in the same manner one would use a crayon today.

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Ochre artifact discovered at the Blombos cave site in South Africa. The markings date to about 70,000 years ago. Chris S. Henshilwood, Creative Commons Attribution-Share Alike 4.0 International license, Wikimedia Commons

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Ocher pervaded early human history, with many instances of use appearing throughout the archaeological record in accompaniment to technological/utilitarian developments and ritualistic behavior. A few utilitarian applications of ocher include its use in hide-processing, as a skin protectant to guard against mosquitos and excessive sun exposure, and in compound adhesives for tool making. The latter is considered to be one of the best pieces of evidence for advanced cognitive abilities in early humans.

Processing ocher is not unique to Homo sapiens, either, and was a practice shared by other members of the Homo genus. A 2024 study conducted by scientists Patrick Schmidt, Radu Iovita, and their colleagues investigates the use of ocher-based compound adhesives for Middle Paleolithic cutting and scraping tools crafted by Neanderthals (Homo neanderthalensis) at Mousterian rock shelters in France. The researchers found that the adhesive’s ratio of ocher to bitumen was optimal and exact—bitumen loses adhesive properties when mixed with ocher, but the ratio used by Neanderthals creates a mass malleable enough to be formed yet sticky enough to adhere stone tools to handles. The glue’s formula is presumed to be a result of experimentation and costly investments of time and labor, akin to the behaviors and thought patterns of early Homo sapiens in Africa.

Past ritual applications are evident through the intentional selection of ocher based on color. Despite the prevalence of other pigments such as yellow ocher or black manganese in local landscapes, the disproportionate abundance of processed red ocher in large artifact assemblages points to a strong preference for saturated red hues over any other pigment color. Having no obvious instrumental value and inexplicable from a utilitarian perspective, the prolonged repetition of color-driven ocher collection exemplifies ritual behavior. Burial decoration was another ritual application of ocher. The deliberate burial of human remains appears in many well-established cases from the Upper Paleolithic and Mesolithic periods throughout Europe and Asia. Burials often imply respect for the individual and adornment of the grave or deceased individual was sometimes used to honor the person’s social status or to enhance their appearance. Lawrence G. Straus and his collaborators describe a burial of “the Red Lady of El Mirón” in their 2015 Journal of Archaeological Science article. The “Red Lady,” found in a cave in northern Spain, gained her name from an abundance of red ocher that coats her remains in a bright red hue. Those who buried her used a form of ocher not found in local sources, suggesting it may have been collected elsewhere for special burial rites or preservative use. Another example is a discovery made at Sungir, northeast of Moscow, Russia, where a man and two young children were buried 27,000 years ago. Their grave contained objects including mammoth ivory spears, a variety of ornamental jewelry, and thousands of ivory beads. The burial was covered entirely in red ocher.

Researchers have suggested that the initial catalyst for ocher use may have been its colorful and aesthetic appeal, only later followed by practical applications. With this in mind, it is no surprise that ocher is one of the earliest natural pigments used for artistic expression, including bodily adornment and cave paintings. Two of the oldest known cave paintings are hand stencils in the Cave of Maltravieso of west-central Spain and painted stalactites, mineral formations that hang from cave ceilings, in the Ardales cave of northern Spain. The red pigment decorating these caves has been dated through uranium-thorium testing methods to at least 66,700 and 65,500 years ago, respectively. Today, artists primarily use a synthetic version of red ocher invented in the 18th century. Still, they carry on a very ancient legacy of using this pigment—to create meaningful symbols in meaningful places.

Red ocher has been heavily featured by people across time and continents compared to its undersaturated counterparts, and the color red continues to hold special significance on a global scale. In many East Asian cultures, red represents good fortune and is featured heavily during celebrations. In some Native American communities, red denotes courage and spiritual strength, while other groups associate life, vigor, passion, revolution, and other powerful concepts with the color. The power ascribed to red is also heavily reflected in language—different cultures group the visible light spectrum into categories of different sizes and names. However, an overwhelming majority have a designated word for red no matter how they differentiate between the rest of the rainbow.

Modern people with normal color vision may take the ability for granted, but the capacity to identify shades of red in natural settings served as a significant advantage for our diurnal primate ancestors in terms of survivability and evolutionary fitness. Whether color vision was upheld by the consumption of fruit, foliage, or a combination of both, a new array of visual cues meant new survival strategies and perceptions of the world. In this regard, trichromacy, an accidental evolutionary milestone, paved the way for the widespread cultural gravitation of people toward red and red ocher long before anatomically modern humans existed themselves.

Although past interpretations of ocher have been complicated by its duality in symbolic and practical uses, special attention toward the mineral grows alongside the number of excavated finds. Current research initiatives increasingly recognize the value of the material as a reflection and potential driving force of cognitive and cultural evolution in early humans.

Cover Image, Top Left: Scraper and ocher powder to work the skin. DorieoWikimedia Commons License CC-BY-SA 4.0

This article was produced by Human Bridges.

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The Red Queen of Palenque

Freelance writer, researcher and photographer, Georges Fery (georgefery.com) addresses topics from history, culture, and beliefs to daily living of ancient and today’s indigenous societies of Mesoamerica and South America. His articles are published online at travelthruhistory.com, ancient-origins.net and popular-archaeology.com, and in the quarterly magazine Ancient American (ancientamerican.com). In the U.K. his articles are found in mexicolore.co.uk.

The author is a fellow of the Institute of Maya Studies instituteofmayastudies.org, Miami, FL and The Royal Geographical Society, London, U.K. (rgs.org). He is a member in good standing with the Maya Exploration Center, Austin, TX (mayaexploration.org) the Archaeological Institute of America, Boston, MA (archaeological.org), NFAA-Non Fiction Authors Association (nonfictionauthrosassociation.com) and the National Museum of the American Indian, Washington, DC. (americanindian.si.edu).

Carved on stone stelae, lintels and painted on ceramics of the Maya Classic period (250-950 AD)*, one sees spouses of lords and other women who were ranking officials in social, political, and spiritual contexts. The history of the Red Queen of Lakamha’ is inseparable from the life of her adopted society in a challenging seventh-century environment riven by conflicts. Lakamha’ in Maya-Ch’ol means “big waters” for the fifty-six streams and small rivers flowing down the slopes of the Chiapas mountain range over natural stair-steps and pools. The city is today known by its Spanish name Palenque, in the Mexican state of Chiapas.

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Central Palenque 650-750AD/CE.  @ artstation.com

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Ph.02 – Temple of the Inscriptions-L  &  Temple.XIII-R.  @georgefery.com

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Contributions by women are historically understated in the archaeological record, but have been addressed over recent years, bringing a sharper focus on Maya ancient societies. In the seventh century, the time of our story, hostility led to frequent armed conflicts that were major disruptors in people’s daily lives. Beside securing and raising children, among other important duties, the woman of the family often had to attend to elderly parents or help neighbors in needs. Her husband was either away at the crack of dawn, working in the corn fields (milpas), he may have been ordered to join the army or, between planting and harvesting seasons, summoned by the city leaders to work on major construction projects.

The historical record for the Red Queen’s early life is scarce. However, we know that the society in which she lived was not dissimilar to that of other communities in the region at the time. A brief review of Palenque’s tumultuous history and that of its leading figures will help to set the context leading to her position of great power….

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In the mid-seventh century, Palenque leaders and those from other communities in the region had to contend with fast drivers of change, among which was a growing population that brought challenges to producing more maize and other edible products. The ensuing need to expand farming areas brought people closer together and forced them to compete for arable land and water. Recurrent severe climate events such as El Niño and La Niña were also major factors in farmers’ migrations, worsening clashes and conflicts. Important socio-economic and political disruptions, among other factors, led heads of large cities and small chiefdoms to search for allies to face up to encroaching powerful rivals. The trade of salt, cocoa beans, cotton, and jade, among other products was carried overland through natural choke points such as rivers and mountain passes guarded by local lords who charged arbitrary taxes. Additionally, the aggressiveness of the powerful Kaan or “kingdom of the snake” of Calakmul to control these choke points and attendant political dominance, was unrelenting. Calakmul was then one of the largest and most powerful kingdoms, located in the greater Petén Basin region, in today’s Mexican state of Campeche.

Young Tz’ak-b’u, the future Red Queen, was playing with her friends when lords and ladies from the great city of Lakamha’ arrived in 599 at Ux te Kuh’, the town of her birth, located mid-way between today’s Palenque and Tortuguero. She could not have imagined then that one of the slender young boys in the refugee party, Janaab’ Pakal, would be her consort for most of her life. How could she?

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Read the rest of this premium article story at https://popular-archaeology.com/article/the-red-queen-of-palenque/

Image courtesy author Georges Fery

Scientists show ancient village adapted to drought, rising seas

UNIVERSITY OF CALIFORNIA – SAN DIEGO—Around 6,200 BCE, the climate changed. Global temperatures dropped, sea levels rose and the southern Levant, including modern-day Israel, the Palestinian territories, Jordan, Lebanon, southern Syria and the Sinai desert, entered a period of drought. 

Previously, archaeologists believed that this abrupt shift in global climate, called the 8.2 ka event, may have led to the widespread abandonment of coastal settlements in the southern Levant. In a recent study* published with the journal Antiquity, researchers at UC San Diego, the University of Haifa and Bar-Ilan University share new evidence suggesting at least one village formerly thought abandoned not only remained occupied, but thrived throughout this period. 

“This [study] helped fill a gap in our understanding of the early settlement of the Eastern Mediterranean coastline,” said Thomas Levy, a co-author on the paper, co-director of the Center for Cyber-Archaeology and Sustainability (CCAS) at the UC San Diego Qualcomm Institute (QI), inaugural holder of the Norma Kershaw Chair in the Archaeology of Ancient Israel and Neighboring Lands in the Department of Anthropology, and a distinguished professor in the university’s Graduate Division. “It deals with human resilience.” 

Signs of Life

The village of Habonim North was discovered off Israel’s Carmel Coast in the mid-2010s and later surveyed by a team led by the University of Haifa’s Ehud Arkin Shalev. 

Prior to its excavation and analysis, there was scant evidence for human habitation along the southern Levantine coast during the 8.2 ka event. The dig, which took place during the COVID-19 lockdown and involved a weeks-long, 24/7 coordinated effort between partners at UC San Diego and the University of Haifa, was the first formal excavation of the submerged site. 

Led by Assaf Yasur-Landau, head of the Leon Recanati Institute for Maritime Studies at the University of Haifa, and Roey Nickelsberg, a Ph.D. candidate at the University of Haifa, the international team excavated the site using a combination of sediment dredging and sampling, as well as photogrammetry and 3D modeling. Team members uncovered pottery shards or “sherds”; stone tools, including ceremonial weapons and fishing-net weights; animal and plant remains; and architecture. 

Using radiocarbon dating, the researchers tested the recovered bones of wild and domesticated animals; the charred seeds of wild plants; crops like wheat and lentils; and weeds that tend to accompany these crops. Their results traced these organic materials back to the Early Pottery Neolithic (EPN), which coincided with both the invention of pottery and the 8.2 ka event.

Habonim North’s pottery sherds, stone tools and architecture likewise dated activity at the site to the EPN and, surprisingly, to the Late Pottery Neolithic, when the village was thought to have been abandoned.

As for how the village likely weathered the worst of the climate instability, the researchers point to signs of an economy that diversified from farming to include maritime culture and trade within a distinct cultural identity. Evidence includes fishing-net weights; tools made of basalt, a stone that does not naturally occur along this part of the eastern Mediterranean coast; and a ceremonial mace head.

“[Our study] showed that the Early Pottery Neolithic society [at Habonim North] displayed multi-layered resilience that enabled it to withstand the 8.2 ka crisis,” said Assaf Yasur-Landau, senior author on the paper. “I was happily surprised by the richness of the finds, from pottery to organic remains.” 

Through 3D “digital twin” technology and the Haifa – UC San Diego QI collaboration, the researchers studying Habonim North have been able to recreate their excavation, virtually, and 3D-print artifacts, opening the path to further study. The team previously received an Innovations in Networking Award for Research Applications from the non-profit organization CENIC for “exemplary” work leveraging high-bandwidth networking during the COVID-19 pandemic. 

Shifting the Focus to Resilience

Although scientists debate the cause of the 8.2 ka event, some speculate that it began with the final collapse of the Laurentide ice sheet, which shaped much of the North American landscape in its retreat from modern-day Canada and the Northern United States. 

As it melted, the ice sheet would have changed the flow of ocean currents, affecting heat transport and leading to the observed drop in global temperatures. 

For the authors behind the study, the discovery of lasting and evolving social activity at Habonim North through this period of climate instability indicates a level of resilience in early Neolithic societies. Many of the activities uncovered at the village, including the creation of culturally distinct pottery and trade, formed the basis for later urban societies. 

“To me, what’s important is to change how we look at things,” said Nickelsberg. “Many archaeologists like to look at the collapse of civilizations. Maybe it’s time to start looking at the development of human culture, rather than its destruction and abandonment.”

Article Source: UNIVERSITY OF CALIFORNIA – SAN DIEGO news release

More plants on the menu of ancient hunter-gatherers

MAX PLANCK INSTITUTE FOR EVOLUTIONARY ANTHROPOLOGY—Conducted by an international team of scientists from the Max Planck Institute for Evolutionary Anthropology (Leipzig, Germany), Géoscience et Environnement Toulouse (Toulouse, France), and the Institut National des Sciences de l’Archéologie et du Patrimoine (Rabat, Morocco), a study* examines the diet of individuals associated with the Iberomaurusian culture discovered in the cave of Taforalt, Morocco. Using a comprehensive multi-isotopic approach, including zinc and strontium isotope analysis in dental enamel, carbon, nitrogen, and sulfur analysis in collagen, as well as amino acid analysis of human and faunal remains, the researchers uncovered surprising insights into ancient dietary practices.

The study’s major conclusions clearly show that the diet of these hunter-gatherers included a significant proportion of plants belonging to Mediterranean species, predating the advent of agriculture in the region by several millennia. Archaeobotanical remains found at the site, such as acorns, pine nuts, and wild pulses, further support this notion. Moreover, the study suggests that plant foods were also introduced into infant diets and may have served as weaning products for this human population. This finding has significant implications, as it suggests the potential for earlier weaning practices in pre-agricultural communities compared to previously thought norms for hunter-gatherer societies.

Complex dietary practices of pre-agricultural societies

This challenges the prevailing notion of a diet heavily based on animal protein among pre-agricultural human groups and raises questions about the lack of agricultural development in North Africa at the beginning of the Holocene. Zineb Moubtahij, first author of the study, explains: “Our findings not only provide insights into the dietary practices of pre-agricultural human groups but also highlight the complexity of human subsistence strategies in different regions. Understanding these patterns is crucial to unraveling the broader story of human evolution.”   

Furthermore, this study is the first to use zinc isotopes preserved in enamel to determine the diet of ancient populations in Africa. North Africa is a key region for the study of human evolution and modern human dispersal. Having a tool that allows us to further explore human diet deep in time in this region will provide valuable insights into human dietary patterns and adaptability in different environments.

Moving forward, the research team hopes to explore additional Paleolithic sites in North Africa and use innovative techniques to gain a deeper understanding of ancient dietary practices and their implications for human evolution.

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Human tooth from the Taforalt Cave in Morocco, showing severe wear and caries. © Heiko Temming

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Article Source: MAX PLANCK INSTITUTE FOR EVOLUTIONARY ANTHROPOLOGY news release.

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What Does Play Tell Us About Human Evolution?

Brenna R. Hassett, PhD, is a biological anthropologist and archaeologist at the University of Central Lancashire and a scientific associate at the Natural History Museum, London. In addition to researching the effects of changing human lifestyles on the human skeleton and teeth in the past, she writes for a more general audience about evolution and archaeology, including the Times (UK) top 10 science book of 2016 Built on Bones: 15,000 Years of Urban Life and Death, and her most recent book, Growing Up Human: The Evolution of Childhood. She is also a co-founder of TrowelBlazers, an activist archive celebrating the achievements of women in the “digging” sciences.

Our species devotes a singular amount of time to an utterly unserious aspect of life: play. This begs the question: what is the adaptive value of horsing around? What possible evolutionary benefit could an activity that sees no specific return possibly have that we devote so much time to it?

Play holds a particularly special position in the study of both human and non-human behavior; it is accepted as a near-universal part of many animals’ lives, but a definition for ‘play’ that covers species from birds to bats is elusive. What holds together the mock-fighting of puppies and the rhyming chants of our own children, however, is a definition of play that says it is not for any specific purpose; it’s a set of actions that don’t quite achieve anything that an animal repeats during certain phases of their life when they are relaxed and not under threat. Three separate types of play are usually distinguished: play with objects, with locomotor skills, and with friends. The critical thing that separates these types of activities from others, whether undertaken by a cow or a crow, is that they are fun.

It does not, in a strictly Darwinian sense, make any sense for animals to play unless play itself has some adaptive value. Time spent in play is not spent acquiring food or sleeping, for instance, and bouncing around unnecessarily in play burns calories that could be used for growth or survival. And yet, a huge number of animal species have been observed ‘playing’: monitor lizards like the giant Komodo dragon will chew and fetch objects like a dog, fish will chase balls, and octopuses will explore Lego. Play is most at home, however, in mammals, and nowhere is it more obvious than in our own species.

There has been a great deal of argument in evolutionary biology and evolutionary psychology about what that adaptive value might be. Hypotheses include play in animals as physical training, allowing immature individuals to ‘practice’ pounces or perches that they will need as adults. The theory dating back to Victorian times that play is in fact a serious business that serves to train adult minds is still quite prominent, as can be seen by the vast array of ‘educational’ toys available. What these approaches have in common is that they see play as purposeful, as a kind of training mechanism. In this framing, juvenile play serves to make a fully competent adult, of whatever species.

It is clear that play does help train some animals to survive and thrive. A study of bear cubs found the cubs that played more had better survival rates; cheetah cubs that spent more time pretending to stalk their family also did more stalking of prey. There is a vast body of research on the way that play prepares human children for their lives as adults, and in fact our species spends a proportionately longer amount of time on the most playful period of our lives, childhood, than any other. So, while we know that humans engage in locomotor, object, and social play, what we need to understand is why it is adaptive for our species to spend so much time doing it.

One of the ways to do this is to look at how play works in closely related animals. Play does not behave like some sort of directly inherited Mendelian trait; play is deployed very differently even among relatively closely related species. Compare two of the great apes that, to the untrained eye, seem very similar: bonobos and chimpanzees. Both are great ape species of similar size and morphology, but they last shared an ancestor 1 to 2 million years ago and today are separated by the Congo River. Their social systems are very different, with male-dominated hierarchies in the chimpanzees and more fluid and female-led social groups in bonobos. They also occupy different environmental niches, with more reliance on seasonal fruit by bonobos and more access to year-round foods, including plants and insects, by chimpanzees. These may relate to differences in the skills they need to eat: chimpanzees make and use tools such as termite ‘fishing rods’ while bonobos have never been seen to do so.

One difference is in the amount and time the species spend in play. Bonobos are inveterate players throughout their lifetimes, whereas chimpanzees tend to limit play to infancy and childhood. The type of play chimpanzees and bonobos enjoy is also different. Young chimpanzees, who will grow up to become tool users, do more ‘object’ based play than young bonobos. Young bonobos however, who rely more on cooperation to organize their adult societies, will spend more time in ‘social’ play. Play also results in different outcomes for the two species: juvenile chimp play fights often escalate into real fights, while this almost never happens in bonobos.

Perhaps one of the most critical differences in the way these two species play is that in bonobos, play carries on throughout the animals’ lives. Chimpanzees, as they get older, have less and less tolerance for these kinds of interactions, while bonobos retain a kind of childlike tolerance for some kinds of play throughout their lives. That not all species give up on play as adults suggests that there is more to play than just training—adults, after all, are supposed to be fully trained. This is something that we can recognize in our own species: human adults are also champions at playing; whether it is sports, video games, dramas, or any other sort of activity that meets the not-quite-functional-but-fun definition of play.

Adult play tends to be social and to happen in species where social relationships are complicated and require a lot of finesse to manage. Playful interactions, particularly play fighting, help less-dominant adults test the boundaries of their relationships with more dominant ones, reinforce social bonds, and generally maintain the social organization of the group. This kind of adult play encourages cooperation and tolerance, and may even support collective decision-making.

We can look at the evolutionary commitment to play that our species has made in two parts, then. Our long childhoods give us a great deal of opportunity to ‘train’ through play—to gain competence in locomotor, object manipulation, and social skills. We are certainly not the only species to do this, nor are we very unique among our closest relatives: we like to play with tools, just like chimpanzees, because we are also a tool-using species, and we engage in all sorts of social play like bonobos. For us humans, our long childhoods give us a chance to play longer—but perhaps what most stands out is our ability to carry on this childlike willingness to take things a bit less seriously into adulthood. Our dedication to play throughout our lives, then, may be precisely the mechanism that allowed us to evolve to survive with less rigid social hierarchies and more cooperative social groups.

This article was produced by Human Bridges.

Cover Image, Top Left: Chimps in the wild. Pixabay image

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Property and Debt in Ancient Rome

Michael Hudson is an American economist, a professor of economics at the University of Missouri–Kansas City, and a researcher at the Levy Economics Institute at Bard College. He is a former Wall Street analyst, political consultant, commentator, and journalist. You can read more of Hudson’s economic history on the Observatory.

Traditional societies usually had restrictions to prevent self-support land from being alienated outside of the family or clan. By holding that the essence of private property is its ability to be sold or forfeited irreversibly, Roman law removed the archaic checks to foreclosure that prevented property from being concentrated in the hands of the few. This Roman concept of property was essentially creditor-oriented, and quickly became predatory.

Roman land tenure was based increasingly on the appropriation of conquered territory, which was declared public land, the ager publicus populi. The normal practice was to settle war veterans on it, but the wealthiest and most aggressive families grabbed such land for themselves in violation of early law.

Patricians Versus the Poor

The die was cast in 486 BC. After Rome defeated the neighboring Hernici, a Latin tribe, and took two-thirds of their land, the consul Spurius Cassius proposed Rome’s first agrarian law. It called for giving half the conquered territory back to the Latins and half to needy Romans, who were also to receive public land that patricians had occupied. But the patricians accused Cassius of “building up a power dangerous to liberty” by seeking popular support and “endangering the security” of their land appropriation. After his annual term was over he was charged with treason and killed. His house was burned to the ground to eradicate memory of his land proposal.

The fight over whether patricians or the needy poor would be the main recipients of public land dragged on for twelve years. In 474 the commoners’ tribune, Gnaeus Genucius, sought to bring the previous year’s consuls to trial for delaying the redistribution proposed by Cassius. He was blocked by that year’s two consuls, Lucius Furius and Gaius Manlius, who said that decrees of the Senate were not permanent law, “but measures designed to meet temporary needs and having validity for one year only.” The Senate could renege on any decree that had been passed.

A century later, in 384, M. Manlius Capitolinus, a former consul (in 392) was murdered for defending debtors by trying to use tribute from the Gauls and to sell public land to redeem their debts, and for accusing senators of embezzlement and urging them to use their takings to redeem debtors. It took a generation of turmoil and poverty for Rome to resolve matters. In 367 the Licinio-Sextian law limited personal landholdings to 500 iugera (125 hectares, under half a square mile). Indebted landholders were permitted to deduct interest payments from the principal and pay off the balance over three years instead of all at once.

Latifundia

Most wealth throughout history has been obtained from the public domain, and that is how Rome’s latifundia were created. The most fateful early land grab occurred after Carthage was defeated in 204 BC. Two years earlier, when Rome’s life and death struggle with Hannibal had depleted its treasury, the Senate had asked families to voluntarily contribute their jewelry or other precious belongings to help the war effort. Their gold and silver was melted down in the temple of Juno Moneta to strike the coins used to hire mercenaries.

Upon the return to peace the aristocrats depicted these contributions as having been loans, and convinced the Senate to pay their claims in three installments. The first was paid in 204, and a second in 202. As the third and final installment was coming due in 200, the former contributors pointed out that Rome needed to keep its money to continue fighting abroad but had much public land available. In lieu of cash payment they asked the Senate to offer them land within fifty miles of Rome, and to tax it at only a nominal rate. A precedent for such privatization had been set in 205 when Rome sold valuable land in the Campania to provide Scipio with money to invade Africa.

The recipients were promised that “when the people should become able to pay, if anyone chose to have his money rather than the land, he might restore the land to the state.” Nobody did, of course. “The private creditors accepted the terms with joy; and that land was called Trientabulum because it was given in lieu of the third part of their money.”

Most of the Central Italian lowlands ended up as latifundia cultivated by slaves captured in the wars against Carthage and Macedonia and imported en masse after 198. This turned the region into predominantly a country of underpopulated slave-plantations as formerly free peoples were driven off the land into overpopulated industrial towns. In 194 and again in 177 the Senate organized a program of colonization that sent about 100,000 peasants, women and children from central Italy to more than twenty colonies, mainly in the far south and north of Italy.

The Gracchi and the Land Commission

In 133, Tiberius Gracchus advocated distributing ager publicus to the poor, pointing out that this would “increase the number of property holders liable to serve in the army.” He was killed by angry senators who wanted the public land for themselves. Nonetheless, a land commission was established in Italy in 128, “and apparently succeeded in distributing land to several thousand citizens” in a few colonies, but not any land taken from Rome’s own wealthy elite. The commission was abolished around 119 after Tiberius’s brother Gaius Gracchus was killed.

Civil War and Landless Soldiers

Appian describes the ensuing century of civil war as being fought over the land and debt crisis:

“For the rich, getting possession of the greater part of the undistributed lands, and being emboldened by the lapse of time to believe that they would never be dispossessed, absorbing any adjacent strips and their poor neighbors’ allotments, partly by purchase under persuasion and partly by force, came to cultivate vast tracts instead of single estates, using slaves as laborers and herdsmen, lest free laborers should be drawn from agriculture into the army. At the same time the ownership of slaves brought them great gain from the multitude of their progeny, who increased because they were exempt from military service. Thus certain powerful men became extremely rich and the race of slaves multiplied throughout the country, while the Italian people dwindled in number and strength, being oppressed by penury, taxes and military service.”

Dispossession of free labor from the land transformed the character of Rome’s army. Starting with Marius, landless soldiers became soldati, living on their pay and seeking the highest booty, loyal to the generals in charge of paying them. Command of an army brought economic and political power. When Sulla brought his troops back to Italy from Asia Minor in 82 and proclaimed himself Dictator, he tore down the walls of towns that had opposed him, and kept them in check by resettling 23 legions (some 80,000 to 100,000 men) in colonies on land confiscated from local populations in Italy.

Sulla drew up proscription lists of enemies who could be killed with impunity, with their estates seized as booty. Their names were publicly posted throughout Italy in June 81, headed by the consuls for the years 83 and 82, and about 1,600 equites (wealthy publican investors). Thousands of names followed. Anyone on these lists could be killed at will, with the executioner receiving a portion of the dead man’s estate. The remainder was sold at public auctions, the proceeds being used to rebuild the depleted treasury. Most land was sold cheaply, giving opportunists a motive to kill not only those named by Sulla, but also their personal enemies, to acquire their estates. A major buyer of confiscated real estate was Crassus, who became one of the richest Romans through Sulla’s proscriptions.

By giving his war veterans homesteads and funds from the proscriptions, Sulla won their support as a virtual army in reserve, along with their backing for his new oligarchic constitution. But they were not farmers, and ran into debt, in danger of losing their land. For his more aristocratic supporters, Sulla distributed the estates of his opponents from the Italian upper classes, especially in Campania, Etruria and Umbria.

Caesar likewise promised to settle his army on land of their own. They followed him to Rome and enabled him to become Dictator in 49. After he was killed in 44, Brutus and Cassius vied with Octavian (later Augustus), each promising their armies land and booty. As Appian summarized: “The chiefs depended on the soldiers for the continuance of their government, while, for the possession of what they had received, the soldiers depend on the permanence of the government of those who had given it. Believing that they could not keep a firm hold unless the givers had a strong government, they fought for them, from necessity, with good-will.” After defeating the armies of Brutus, Cassius and Mark Antony, Octavian gave his indigent soldiers “land, the cities, the money, and the houses, and as the object of denunciation on the part of the despoiled, and as one who bore this contumely for the army’s sake.”

Empire of Debt

The concentration of land ownership intensified under the Empire. By the time Christianity became the Roman state religion, North Africa had become the main source of Roman wealth, based on “the massive landholdings of the emperor and of the nobility of Rome.” Its overseers kept the region’s inhabitants “underdeveloped by Roman standards. Their villages were denied any form of corporate existence and were frequently named after the estates on which the villagers worked, held to the land by various forms of bonded labor.”

A Christian from Gaul named Salvian described the poverty and insecurity confronting most of the population ca. 440:

“Faced by the weight of taxes, poor farmers found that they did not have the means to emigrate to the barbarians. Instead, they did what little they could do: they handed themselves over to the rich as clients in return for protection. The rich took over title to their lands under the pretext of saving the farmers from the land tax. The patron registered the farmer’s land on the tax rolls under his (the patron’s) own name. Within a few years, the poor farmers found themselves without land, although they were still hounded for personal taxes. Such patronage by the great, so Salvian claimed, turned free men into slaves as surely as the magic of Circe had turned humans into pigs.”

The Church as a Corporate Power

Church estates became islands in this sea of poverty. As deathbed confessions and donations of property to the Church became increasingly popular among wealthy Christians, the Church came to accept existing creditor and debtor relationships, land ownership, hereditary wealth and the political status quo. What mattered to the Church was how the ruling elites used their wealth; how they obtained it was not important as long as it was destined for the Church, whose priests were the paradigmatic “poor” deserving of aid and charity.

The Church sought to absorb local oligarchies into its leadership, along with their wealth. Testamentary disposition undercut local fiscal balance. Land given to the Church was tax-exempt, obliging communities to raise taxes on their secular property in order to maintain their flow of public revenue. (Many heirs found themselves disinherited by such bequests, leading to a flourishing legal practice of contesting deathbed wills.) The Church became the major corporate body, a sector alongside the state. Its critique of personal wealth focused on personal egotism and self-indulgence, nothing like the socialist idea of public ownership of land, monopolies, and banking. In fact, the Crusades led the Church to sponsor Christendom’s major secular bankers to finance its wars against the Holy Roman Emperors, Moslems, and Byzantine Sicily.

 

This article was produced by Human Bridges.

Cover Photo, Top Left: View of remains of ancient Rome. The_Double_A, Pixabay

The Ten Tombs

Few cities and regions of the world can match the significance and draw of Jerusalem with the public and scholars alike. In this ancient city, some of the world’s most defining historical events and figures have played out their stories, influencing generations through the ensuing centuries, especially concerning religious beliefs and practices. It therefore goes without saying that historical and archaeological research and publication related to the salient events and figures of historical Jerusalem and its regional context have taken on intense popular interest, as well as some intense scholarly and ecclesiastical debate. The cultural, emotional and ‘spiritual’ roots run deep.

Dr. James Tabor, one of the world’s foremost academic authorities on the Late Second Temple period (aka the Herodian period) Judaism and early Christianity, has offered a new video series he entitles “Jesus Archaeology”. Free to the public, the series focuses on how ancient texts, historical and archaeological sites, and ancient artifacts shed light on the rise of Christianity and the context in which it occurred. It also explores the period extending from at least 100 years before the time of Jesus through the century in which his crucifixion occurred. Of particular note here is video no. 1, entitled Ten Jerusalem Tombs from the Time of Jesus (See complete video below). Here, Tabor reviews and summarizes, with photographic images and illustrations, ten extraordinary burial cave tomb discoveries in the Old City area that relate to the context and events around the time of the Late Second Temple, the time period where Jesus enters the flow of time as it is now documented in historical and biblical records.

The Ossuary of Caiaphas

As is known to many who have a knowledge of the events as accounted in the Canonical gospels of the New Testament, Joseph, son of Caiaphas, presided as High Priest over the trial of Jesus before his crucifixion. A number of scholars suggest that an ornate ossuary (stone box that carries bones of the deceased), discovered with 11 other ossuaries in a tomb accidentally revealed through construction work south of Jerusalem in 1990, contained the skeletal remains of Joseph. Although the identification of the find has been subject to scholarly dispute, the discovery is one of the most important material objects relating to the times in which Jesus lived. Decorated with very ornate etchings — a practice usually reserved for a high status individual — the ossuary contained collectively the remains of two infants, two teenage boys, an adult woman and a man around 60 years old. Scholars suggest that the remains of the 60-year-old man was probably Joseph, son of Caiaphas, as the ossuary exterior was inscribed “Yehosef bar Qayafa” on the long side and “Yehosef bar Qafa” on the narrow side. 

The tomb and the ossuary of Caiaphas that it contained is one example among 9 other tomb discoveries Tabor discusses in the first installment of his video series. Each discovery excites the imagination in equal measure, providing a fascinating window on the lives and times of First Century Jerusalem, a critical and tumultuous period in religious history.

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The Ossuary of Caiaphas, the High Priest. Note the name inscription on one side. BRBurton, CCO 1.0 Universal, Wikimedia Commons

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Detail view of the Caiaphas ossuary inscription. BRBurton, CCO 1.0 Universal, Wikimedia Commons

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Following is a summary of the tomb discoveries Tabor discusses:

  1. The Ossuary of Yehonatan ben Yeshua (Jonathan son of Yeshua) — This is an ornately inscribed but unprovenanced bone box that came into the possession of Tabor and which awaits publication and return to the collection under management of the Israel Antiquities Authority.
  2. The Ossuary of Caiaphas (summarized above).
  3. The Tomb of Bethphage on the Mount of Olives — A tomb with a circular rolling blocking stone at its entrance. The tomb features early Christian ‘graffiti’ on an internal wall surface. It is suggested by Tabor as a likely candidate for the first (temporary) tomb in which Jesus was laid directly after his crucifixion (not to be confused with the second, more permanent tomb belonging to Joseph of Arimathea as mentioned in the Gospel account).
  4. The Tomb of the Shroud in Hinnom Valley — Located just south of Jerusalem, this tomb was looted when first encountered by Tabor and archaeologist colleague Shimon Gibson. Here, skeletal remains and an intact burial shroud was found within the tomb, a very rare discovery. Also a first, the skeletal remains revealed the deceased suffered from advanced leprosy. The shroud was carbon dated to the 1st century AD.
  5. The Talpiot “Jesus Family” Tomb — First discovered during clearing of the area of Talpiot south of Jerusalem for construction of condominiums in 1980, this tomb contained 10 ossuaries. Six of the ossuaries were inscribed with names identifiable with names known to be associated with Jesus and his family, including the name of Jesus himself.
  6. The Talpiot “Resurrection Tomb” — Discovered just steps away from the “Jesus Family Tomb” and now situated beneath a condominium, this tomb was initially investigated but subsequently re-explored 25 years after its discovery by a team using a robotic arm and camera device. The tomb contained ossuaries with inscribed images and inscriptions relating (by interpretation) to the raising of the dead, or resurrection.
  7. The James Ossuary — This famous ossuary, and the story behind it, featured the inscription, “James, son of Joseph, brother of Jesus”.  It was brought to light in 2002 from an antiquities dealer and from the beginning became the center of a debate firestorm. Recent geochemical studies have shown that the ossuary likely originally came from the “Jesus Family Tomb” described above.
  8. The Ossuary of Simon and son Alexandros — One of a number of ossuaries discovered through excavation in 1941 of a tomb by archaeologists in the Kidron Valley near Jerusalem. It featured inscriptions of the names of Simon the Cyrenian (suggested to be the Simon of Cyrenia of the New Testament biblical account), and his son Alexandros.
  9. The Abba Tomb — This tomb was found just north of Jerusalem in 1970. It is where Abba, son of Eliza the Priest, and Mattathia son of Judah were buried. Tabor suggests that this Mattathia (Matthew) was in fact the last Maccabean (Hasmonean) king, Antigonus (aka Mattathia or Mathew). The ossuary associated with Antigonus contained nails used for crucifixion, along with skeletal remains.
  10. The Tomb of Yehochanan — This tomb was found north of Jerusalem not far from the Abba tomb in 1968. It contained the remains of a man who, based on the evidence found in the tomb, was crucified. The evidence uncovered provided new insights on how individuals were crucified during the Late Second Temple period in Jerusalem.
  11. Cave 2001 at Masada — In the 1960’s archaeologists found 25 skeletons of men, women and children who were once living in a cave at the southern tip of the summit of Masada near the Dead Sea during the time of the famous siege of Masada. Suggested to have been among the defenders of Masada during the siege, Tabor theorizes that they were the remains of what was left of the Hasmonean priestly royal family based on DNA analysis.

Tabor hopes to realize future DNA analysis of embedded residues within ossuaries such as those described here to develop family profiles for further study.

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The James ossuary. Paradiso, Wikimedia Commons

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Inscription detail, James ossuary. Paradiso, Wikimedia Commons

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Aerial view of Masada. Samirsmier, Pixabay

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Cover Photo, Top Left: The Ossuary of Caiaphas, the High Priest. BRBurton, CCO 1.0 Universal, Wikimedia Commons

For more details about the “Jesus Family Tomb” and the “Resurrection Tomb”, see the article, In Search of the Historical Jesus, previously published in Popular Archaeology Magazine.

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Why Culture Is Not the Only Tool for Defining Homo sapiens in Relation to Other Hominins

Deborah Barsky is a writing fellow for the Human Bridges, a researcher at the Catalan Institute of Human Paleoecology and Social Evolution, and an associate professor at the Rovira i Virgili University in Tarragona, Spain, with the Open University of Catalonia (UOC). She is the author of Human Prehistory: Exploring the Past to Understand the Future (Cambridge University Press, 2022).

While the circumstances that led to the emergence of anatomically modern humans (AMH) remain a topic of debate, the species-centric idea that modern humans inevitably came to dominate the world because they were culturally and behaviorally superior to other hominins is still largely accepted. The global spread of Homo sapiens was often hypothesized to have taken place as a rapid takeover linked mainly to two factors: technological supremacy and unmatched complex symbolic communication. These factors combined to define the concept of “modern behavior” that was initially allocated exclusively to H. sapiens.

Up until the 1990s, and even into the early 21st century, many assumed that the demographic success experienced by H. sapiens was consequential to these two distinctive attributes. As a result, humans “behaving in a modern way” experienced unprecedented demographic success, spreading out of their African homeland and “colonizing” Europe and Asia. Following this, interpopulation contacts multiplied, operating as a stimulus for a cumulative culture that climaxed in the impressive technological and artistic feats, which defined the European Upper Paleolithic. Establishing a link between increased population density and greater innovation offered an explanation for how H. sapiens replaced the Neandertals in Eurasia and achieved superiority to become the last survivor of the genus Homo.

The exodus of modern humans from Africa was often depicted by a map of the Old World showing an arrow pointing northward out of the African continent and then splitting into two smaller arrows: one directed toward the west, into Europe, and the other toward the east, into Asia. As the story goes, AMHs continued their progression thanks to their advanced technological and cerebral capacities (and their presumed thirst for exploration), eventually reaching the Americas by way of land bridges exposed toward the end of the last major glacial event, sometime after 20,000 years ago. Curiosity and innovation were put forward as the faculties that would eventually allow them to master seafaring, and to occupy even the most isolated territories of Oceania.

It was proposed that early modern humans took the most likely land route out of Africa through the Levantine corridor, eventually encountering and “replacing” the Neandertal peoples that had been thriving in these lands over many millennia. There has been much debate about the dating of this event and whether it took place in multiple phases (or waves) or as a single episode. The timing of the incursion of H. sapiens into Western Europe was estimated at around 40,000 years ago; a period roughly concurrent with the disappearance of the Neandertal peoples.

This scenario also matched the chrono-cultural sequence for the European Upper Paleolithic as that was defined since the late 19th century from eponymous French archeological sites, namely: Aurignacian (from Aurignac), Gravettian (from La Gravette), Solutrean (from Solutré), and Magdalenian (from la Madeleine). Taking advantage of the stratigraphic sequences provided by these key sites that contained rich artifact records, prehistorians chronicled and defined the typological features that still serve to distinguish each of the Upper Paleolithic cultures. Progressively acknowledged as a reality attributed to modern humans, this evolutionary sequencing was extrapolated over much of Eurasia, where it fits more or less snugly with the archeological realities of each region.

Each of these cultural complexes denotes a geographically and chronologically constrained cultural unit that is formally defined by a specific set of artifacts (tools, structures, art, etc.). In turn, these remnants provide us with information about the behaviors and lifestyles of the peoples that made and used them. The Aurignacian cultural complex that appeared approximately 40,000 years ago (presumably in Eastern Europe) heralded the beginning of the Upper Paleolithic period that ended with the disappearance of the last Magdalenian peoples some 30,000 years later—at the beginning of the interglacial phase marking the onset of the (actual) Holocene epoch.

The conditions under which the transition from the Middle to the Upper Paleolithic took place in Eurasia remains a topic of hot debate. Some argue that the chronological situation and features of Châtelperronian toolkits identified in parts of France and Spain and the Uluzzian culture in Italy, should be considered intermediate between the Middle and Upper Paleolithic, while for others, it remains unclear whether Neandertals or modern humans were the authors of these assemblages. This is not unusual, since the thresholds separating the most significant phases marking cultural change in the nearly 3 million-year-long Paleolithic record are mostly invisible in the archeological register, where time has masked the subtleties of their nature, making them seem to appear abruptly.

The idea of a “Human Revolution” was introduced mainly from sites in South Africa, where a rich body of evidence revealed that the set of modern behaviors associated with H. sapiens was significantly older than the European Upper Paleolithic record. Coincident with the reign of the Neandertals in Eurasia and close to the period of the emergence of H. sapiens in Africa proposed subsequently, these remarkable finds comprise evidence indicating advanced technological proficiency and symbolic behaviors, including finely fashioned stone points, specialized bone tools, as well as art, ochre, and shell beads. With some of the finds dating from more than 150,000 to around 70,000 years ago, these Middle Stone Age (MSA) discoveries were thought to provide the basis for the prevalence of our species on the world stage.

Today, new discoveries are rewriting the story of our ancestors. According to a 2017 Nature article, finds from the Jebel Irhoud site in Morocco, which are more than 300,000 years old, have pushed back the date for the emergence of our species by more than 100,000 years. Meanwhile, discoveries in Israel (Misliya) and Greece (Apidima) now suggest that members of the H. sapiens clade reached Eurasia far earlier than previously believed.

One major consequence of this “early arrival,” for example, is a far longer cohabitation period between AMHs and Neandertals than previously suspected. But there is more. Over a period spanning less than a quarter of a century, at least six new species of Homo dating to a timeframe that now overlaps with our own species, have been added to the human family tree. That H. sapiens had physical contact with some of them, like the Denisovans and the Neandertals present in Eurasia, has now been confirmed thanks to advances made in genetic studies.

Moreover, a wide body of evidence now shows that Neandertal peoples were cognitively advanced and possessed highly developed technological know-how and symbolic behaviors—once believed to be attributes exclusive to modern humans. The evidence ranges from art to corporal decoration, with advanced hunting capacities, also suggesting that Neandertals had an aptitude for complex language. In combination, these findings are important factors that are forcing us to rethink the cultural development processes for the Middle and the Upper Paleolithic.

Neandertal toolkits are ascribed to the Mousterian cultural complex (from the Le Moustier site, France), characterized by stone flakes knapped from cores that were often managed using specific techniques referred to as Levallois. This eponymous denomination (from Levallois-Perret, France) refers to a complex series of gestures used to knap a piece of stone (usually flint) to produce flakes with predetermined shapes and sizes. Contrastingly, modern human toolkits are generally classified as being “blade-based” because they consist of long, thin flakes knapped from carefully prepared cores to produce blades that provide greater raw material economy and efficiency. Throughout the Upper Paleolithic and into the Mesolithic, these blade industries included very small tools (microlithic) that were often combined with other materials to form composite tools.

This scheme, however, reflects the dominance of the Western European vision of prehistoric cultural evolution and does not always fit well with the archeological reality. For instance, a recent study shows that innovation in stone cutting-edge productivity was not a rapid and sweeping revolution that helped modern humans spread over Eurasia, but rather it occurred later, progressing in tandem with blade size reduction. Another case in point are the blade-based Middle Paleolithic toolkits of the Amudian culture, recognized to have been made by Neandertals, and also Levallois products associated with the newly coined Nesher Ramla Homo, in the Levant. Moreover, flakes produced using Levallois core preparation techniques ascribed to the Acheulian techno-complex have been documented in the North African Lower Paleolithic.

So what kinds of tools were the early H. sapiens from Jebel Irhoud making 300,000 years ago? Or the modern humans found at Apidima in Greece, nearly 200,000 years ago? What about the other hominins ranging over Eurasia prior to and during the arrival of H. sapiens?

In fact, these archaic humans are associated with a range of technologies and behaviors that suggest a far more complex cultural framework than previously assumed. This annuls the hypothesis that modern humans replaced the Neandertals (and other hominin forms) thanks to the technological superiority of their blade-based industries and calls for a revision of how we perceive the role of culture in defining our own species in relation to other hominins.

These exciting finds have not only enlarged the human family but have also revealed complex patterns of migration and social interchange practiced by our ancestors. Just as these exchanges involved interbreeding and assimilation, culture was also shared and transferred among different hominin groups, effacing the usefulness of restrictive cultural labeling for defining H. sapiens and our cousin species.

These revisions to the archeological record tell us that the similarities and differences we observe in prehistoric cultures are not necessarily a yardstick for measuring the superiority of one human group over another.

Cover Photo, Top Left: Skulls showing different stages of human evolution compared with the one of modern human (Homo sapiens. Nik.vuk. CC BY-SA 4.0, Wikimedia Commons

This article was produced by Human Bridges.