Wednesday, July 11, 2012

Earliest Americans Arrived in 3 Waves, Not 1, DNA Study Finds - NYTimes.com

Earliest Americans Arrived in 3 Waves, Not 1, DNA Study Finds - NYTimes.com:

 "North and South America were first populated by three waves of migrants from Siberia rather than just a single migration, say researchers who have studied the whole genomes of Native Americans in South America and Canada."

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