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Thursday, October 22, 2015

The plague's deadly pedigree goes back 3,000 years earlier than thought

Turns out the plague was, er, plaguing humans far earlier than once thought. A study of ancient DNA pulled from human teeth in Asia and Europe finds that the bacteria Yersinia pestis had infected humans as far back as 2,800 to 5,000 years ago – perhaps three millenniums earlier than expected.

The...



from L.A. Times - Science http://ift.tt/1jD9yj2
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