Teenage girl’s 13,000-year-old wisdom tooth sheds light on early Native American origins

May 15, 2014 9:21 PM

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The skeletal remains of a 13,000-year-old teenage girl pulled from an underwater cave below Mexico’s Yucatan Peninsula provides fossil evidence for a persistent, but mostly resolved question on the descendants of early Americans.

Native Americans and the earliest American skeletons, known as paleoamericans, have markedly different faces, skulls and teeth, which has raised questions about their origins, and whether their ancestors traveled along separate migration routes. But most geneticists agree that Native Americans desce...

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