North America Settled by Just 70 People, Study Concludes: "North America Settled by Just 70 People, Study Concludes
By LiveScience Staff
posted: 25 May 2005
11:15 am ET
A new study of DNA suggests North America was originally populated by just a few dozen people who crossed a land bridge from Asia during the last Ice Age.
About 14,000 years ago, humans crossed the Bering land bridge from Siberia to North America, most experts agree. But just how many intrepid explorers were involved in spawning subsequent populations has not been known."
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