Oldest Human DNA Leads To More Questions Than Answers

  • Uploaded by Newsy on Dec 5, 2013
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Researchers are scratching their heads after discovering a 400000-year-old fossil related to a little-known human ancestor known as Denisovans.

Researchers are scratching their heads after discovering a 400000-year-old fossil related to a little-known human ancestor known as Denisovans.

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