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Building a family tree for all humanity: Spencer Wells on TED.com

All humans share some common bits of DNA, passed down to us from our African ancestors. Geneticist Spencer Wells talks about how his Genographic Project will use this shared DNA to figure out how we are — in all our diversity — truly connected. (Recorded June 2007 in Arusha, Tanzania. Duration: 20:53)

Watch Spencer Well’s 2007 talk on TED.com, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 270+ TEDTalks.

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