These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

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.

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

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 ...

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 ...

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 ...

Tooth or dental erosion is a progressive and irreversible loss of the outermost hard layer of the tooth structure. It is primarily caused by a chemical process and does not include bacterial ...