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Sunday, November 22, 2009

Photo: Americas Settled 15,000 Years Ago, Study Says


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The Schaefer mammoth, found in Wisconsin bearing cut marks suggesting it was butchered by humans, is thought by archaeologists to be about 14,500 years old.

The remains are part of a growing body of genetic and archaeological evidence suggesting that humans crossed the Bering land bridge about 22,000 years ago, then moved southward relatively late after melting ice cleared a path through Canada, a new study says.

Photograph courtesy D. Joyce