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. Led by researchers from King’s College London, the study gives new insight into how Komodo dragons ...

Meat-eating dinosaurs have serrated edges on their teeth, which is nothing new. However, the extent and complexity of those serrations has only just recently been observed, with researchers noting ...

Sharks are known for their razor-sharp teeth, but a new study warns that rising ocean acidity could leave even the sea’s fiercest predators with weaker, more brittle bites. At the heart of the problem ...

For much of the twentieth century, sharks and large reptiles were assumed to define the upper limits of dental sharpness in the history of life. That assumption has been revised by detailed ...

Voles (1), horses (2), and elephants (3)—each vastly different—share one simple trait: very tall and resistant teeth, sharp enough to tackle the hardest plants. Imagine a row of kitchen graters tucked ...