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 ...

You can probably picture a vampire: Pale, sharply fanged undead sucker of blood, deterred only by sunlight, religious paraphernalia and garlic. They're gnarly ...

Humans are often happy to share food with their friends, but what about animals? Contrary to their reputation, vampire bats are surprisingly social and generous, and a well-fed bat will even ...

They don't know it, but Darwin's finches changed the world. These closely related species—native to the Galapagos Islands—each sport a uniquely shaped beak that matches their preferred diet. Studying ...

Vampire bats in Peru sometimes prey on penguin chicks, but the adult penguins are ready to fight back—with a little help from dirt and even poop. Vampire bat (Desmodus rotundus) in flight. This ...

With gargoyle-like faces, razor-sharp fangs and an insatiable thirst for blood, vampire bats are nightmare fuel. And that’s before they start running. Unlike most bats, which largely avoid the ground, ...

Sometimes when people hang around one another long enough, they begin using the same slang, vocal inflections and pitch. Humans can pick up and mimic the sounds and words of the people around them, ...

Add Yahoo as a preferred source to see more of our stories on Google. Vampire bats have complex social relationships. Samuel Betkowski/Moment via Getty Images You can probably picture a vampire: Pale, ...

You can probably picture a vampire: Pale, sharply fanged undead sucker of blood, deterred only by sunlight, religious paraphernalia and garlic. They’re gnarly creatures, often favorite subjects for ...