The Plague Has Been Around For a Lot Longer Than We Thought

The Black Death wiped out nearly half the population of Europe during the 14th Century, a blight that swept through the continent in the gut of fleas. But a new analysis of ancient human DNA shows that the dreaded bacteria emerged at least 3,000 years before the first plague pandemic—a time before it mutated into its… »10/23/15 11:10am10/23/15 11:10am