Birds, unlike their dinosaur ancestors, lack teeth, relying on beaks and gizzards for eating. Some birds have evolved ...

Researchers have discovered the secret to the powerful cutting ability of ants: they have teeth on the outside of their mouths, and these so-called mandibular teeth are made of a material that can ...

At first glance, teeth look a lot like bones: Both are hard, white and rich in calcium. So why aren't teeth considered part of the skeletal system? Even though teeth and bones share a few basic ...

The radula is a distinctive, chitinous feeding apparatus found in most molluscs, and its specialised tooth structures play a crucial role in the efficient processing of food. In gastropods, the ...