giovedì 22 ottobre 2015

NYT Science: In Ancient DNA, Evidence of Plague Much Earlier Than Previously Known

In Ancient DNA, Evidence of Plague Much Earlier Than Previously Known
By CARL ZIMMER

A new study suggests that Yersinia pestis, which causes plague, infected people as long as 5,000 years ago.

Published: October 23, 2015 at 06:00AM

via NYT Science http://ift.tt/1W7Ag49