New clues suggest people reached the Americas around 30,000 years ago
2 hours ago Humans may have inhabited what’s now southern Mexico surprisingly early, between 33,448 and 28,279 years ago, researchers say. SN SN: 7/22/20). The latest evidence comes from animal bones that biological anthropologist and archaeologist Andrew Somerville and two Mexican colleagues found stored in a Mexico City lab. The bones had been excavated in the 1960s at a rock-shelter called Coxcatlan Cave. Radiocarbon analyses of six rabbit bones from the site’s deepest sediment yielded unexpectedly old ages, the researchers report online May 19 in Latin American Antiquity. That sedime...