Did the first humans arrive in North America a lot earlier?
New dating of artifacts recovered from a site in the northern Yukon, on the Alaskan border, may push back the hypothesized entry date of the first American colonizers via a northwestern route — long thought to have occurred over the Bering land bridge between 18,000 and 14,000 years ago — by several thousand years.
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Mary Caperton Morton
Morton (https://theblondecoyote.com/) is a freelance science and travel writer based in Big Sky, Mont., and an EARTH roving correspondent.
Monday, April 10, 2017 - 06:00
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