Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to survive hundreds of years by adjusting its virulence and the length of time ...

Scientists have documented the way a single gene in the bacterium that causes bubonic plague, Yersinia pestis, allowed it to ...

A new “DNA atlas” of Ireland is revealing some of the surprising ways historic kingdoms have influenced populations on the island—and it offers the first genetic evidence that Vikings ...