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Nature 436, 162 (14 July 2005) | doi:10.1038/436162b; Published online 13 July 2005
Caveman DNA hints at map of migration
Rex Dalton
The oldest sample of human DNA ever isolated in the Americas is providing a glimpse of how people spread across the land masses.The DNA was extracted from teeth, more than 10,000 years old, found in a cave on the northern tip of Prince of Wales Island, off southern Alaska.
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