An electron micrograph depicts a mass of Yersinia pestis bacteria (the cause of bubonic plague).
Photo by Associated Press /Chattanooga Times Free Press .
published Wednesday, October 12th, 2011
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WASHINGTON — Scientists have cracked the genetic code of the Black Death, one of history’s worst plagues, and found that its modern day bacterial descendants haven’t changed much over 600 years. Luckily, we have.