Clovis People Probably Not Alone in North America - NYTimes.com

Clovis People Probably Not Alone in North America - NYTimes.com:

"Stone spearheads and human DNA found in Oregon caves, anthropologists say, have produced firmer evidence that these are the oldest directly dated remains of people in North America. They also show that at least two cultures with distinct technologies — not a single one, as had been supposed — shared the continent more than 13,000 years ago."

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