Forget sharks and dinosaurs, the sharpest teeth ever found came from a tiny ancient animal

Fossils of tiny, jawless marine animals reveal tooth structures sharper than sharks or steel, forcing scientists to rethink ...
sciencex

Fossil tooth fractures and microscopic detail of enamel offer new clues about human diet and evolution

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 ...
Fast Company

Northwestern scientists have discovered the microscopic dental defects that rot your teeth

Get ready to kiss tooth decay goodbye. Northwestern University scientists have gotten one step closer to figuring out what can compromise tooth enamel. Get ready to kiss tooth decay goodbye.
AZ Animals on MSN

Do slugs have teeth? Inside one of nature’s weirdest mouths

Have you ever wondered if slugs can smile — or if they even have teeth? Their smooth bodies and simple appearance might suggest they don’t, but appearances can be deceiving. Underneath that soft body ...
C&EN

Study finds iron-rich enamel protects, but doesn’t color, rodents’ orange-brown incisors

Chattering squirrels, charming coypus, and tail-slapping beavers — along with some other rodents — have orange-brown front teeth. Researchers have published high-resolution images of rodent incisors ...