Trees domesticated by pre-Columbian peoples remain more common in forests near ancient settlements.
Puzzle of the Maya pendant
Large carved jade unearthed in southern Belize.
Ancient jars found in Judea reveal earth’s magnetic field is fluctuating, not diminishing
New evidence says geomagnetic force 'spiked' in 8th century BCE, say Tel Aviv University, Hebrew University, UC San Diego researchers.
Study shows Pre-Columbian builders managed Amazonian forests
Amazonian forests were not pristine when Europeans arrived.