Photo: Clovis People Not First Americans, Study Shows

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Distinctive spearpoints made by the so-called Clovis culture have been found at sites throughout the contiguous United States, as well as in Mexico and Central America.

New radiocarbon dating of spearpoints from all known Clovis sites has significantly shortened the time frame in which Clovis people could have spread to South America, suggesting the culture could not have been the first humans to arrive in the New World.

Photograph courtesy the Center for the Study of the First Americans, Texas A&M University/ Science

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