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 ...

Narrator: Lions have them, hippos have them, and even you and I have them: canines, those long, pointy front teeth. They're actually the longest teeth in the human mouth. So what are these long, sharp ...

Why do ants and other small creatures have such sharp bites? According to scientists from the University of Oregon and the Pacific Northwest National Laboratory (PNNL), the answer lies in their ...

A pediatric dentist and an anthropologist explain how baby teeth and adult teeth help humans chomp their food over a long ...

It was already known that Komodo dragon teeth are similar to those of many carnivorous dinosaurs, in that they're laterally flat, curved back, and serrated along the edges. An international team of ...