Let's say you're a vampire bat, and you are trying to decide where to bite your victim. You want a spot rich in blood, right? But how do you find such a spot? Turns out, vampire bats have a kind of ...

The following is an excerpt from Bite: An Incisive History of Teeth, from Hagfish to Humans by Bill Schutt. When you purchase products through the Bookshop.org link on this page, Science Friday earns ...

DALLAS -- A substance in the saliva of vampire bats could prove to be a potent new treatment for strokes, an Australian scientist says. "When the vampire bat bites its victim, it secretes this ...