How Black Death Kept Its Genes but Lost Its Killing Power [Video]

Wednesday, October 12, 2011 - 14:30 in Biology & Nature

In five years, Black Death wiped out an estimated 30 to 50 percent of Europe's population. This medieval plague was caused by the bacterium Yersinia pestis , which still circulates among humans . Genetic clues as to what might have made it so deadly, however, had remained interred with the tens of millions of victims. [More]

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