The urchins have self-honing teeth that can chomp through rock to carve out hideaways along the shore. Analysing their teeth, US scientists have found layered calcite crystals held together by ...

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 ...

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 ...

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 ...