This is now officially the oldest American DNA found on the continent ... University of Cambridge/NewsweekThe Bering Strait migration pattern Crawford thought his ancestors took to get here.

Both lineages are present in modern Native Americans, but B2 was thought to be confined to ... Americas in a wave of migration that was distinct from Siberians crossing the Bering land bridge some ...

The Bering land bridge that spanned between ... such as the woolly rhino (a Eurasian native), American camel (native to north and central America), and the short-faced bear (native to North ...