A study finds an early mammaliaform displaying tooth anatomy that gives insight into the development of structures such as complex molars and multiple roots. One evolutionary milestone in the ...

Leaf teeth, i.e. projections of the leaf margin, are common among angiosperms. These structures may differ in several aspects, e.g. in the presence or absence of an associated gland. Cucurbitoid teeth ...

Have you ever wondered if slugs can smile — or if they even have teeth? How a slug eats is surprisingly complex!

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 ...