In the early 20th century, staining teeth became popular among minority communities in Vietnam, regardless of sex or social status. Recently, the tradition got a pop culture boost from Sailorr, a ...

Teeth can tell us a lot about the evolution of prehistoric humans, and our latest study of one of our species' close relatives may finally resolve a long-standing mystery. The genus Paranthropus is ...

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 ...

You probably don’t think much about teeth until a dentist brings them up. But across the animal kingdom, tooth counts can get wild fast.

There's a longstanding debate simmering among biologists who study porcupines. There are 16 porcupine species in Central and South America, but only one in the United States and Canada. DNA evidence ...