The average ant tooth is thinner than a human hair and able to slice through tough leaves and even flesh without breaking. Researchers now know how: the edges of ant teeth are lined with a layer of ...

Scientists have discovered that the serrated edges of Komodo dragons' teeth are tipped with iron. The study gives new insight into how Komodo dragons keep their teeth razor-sharp and may provide clues ...

Sharks have long been known for their razor-sharp teeth, weapons that make them some of the ocean’s most effective hunters. But new research suggests that these powerful tools may not be as invincible ...