A set of ancient teeth unlock a bacterial secret about the bubonic plague
Where do diseases come from? New find in Russia suggests that bubonic plague is at least 800 years older than previously thought.
Nearly 4,000 years ago, a woman and a man were buried together just east of the Volga River in modern-day Russia, with a secret locked away in the pulp of their teeth.
The bodies were uncovered just a few years ago, the teeth pulled and sent westward to the Max Planck
