Hardened plaque harvested from Neanderthal teeth is loaded with genetic material from plants and animals these prehistoric hominins ate, as well as remnants of microbes that reveal a surprising amount about how they lived and even what made them sick. Researchers extracted the ancient DNA and bacteria from the jaws of three Neanderthal individuals from Belgium and Spain, and described the results in a paper published in the journal Nature. Jeff and Anthony discuss the findings and what it might mean for the history - and future - of man.
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