Lemurs are known for their social grooming, but their best grooming tool is their tongue. Below their main tongue lies the sublingua—a stiff, secondary “tongue” used specifically to clean their ...

A large comparative study of primate teeth shows that grooves once linked to ancient human tooth-picking can form naturally, while some common modern dental problems appear uniquely human.

These fossilized teeth belonged to a Propliopithecus chirobates, a type of early primate that lived between 29 million and 35 million years ago. Towle et al. / American Journal of Biological ...

Tooth decay is a common and unfortunate problem for many of us, but two new studies show it is also an issue for other primates, as well as our fossil relatives and ancestors. Tooth decay is a common ...