Imagine what we could learn about diseases by studying the history of human disease, from ancient hominids to the present. But how? TED Fellow Christina Warinner is an achaeological geneticist, and she's found a spectacular new tool -- the microbial DNA in fossilized dental plaque.

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  • Episode Number 30
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  • Originally Aired Friday, April 20, 2012
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  • Last Updated By leejones
  • Last Updated 04/05/2013 10:51am