Squirrels, beavers, and other rodents have orange-brown front teeth that may be key to developing oral care products that better protect human tooth enamel and ensure that restorations last longer.

Nano-sized pockets of iron material in rodents’ incisors (coypu on the left and beaver on the right) strengthen and protect the teeth. Chattering squirrels, charming coypus, and tail-slapping beavers ...

Researchers discovered a previously unknown species of rodent that lives along the foothills of the Andes in Argentina. Distinguished by its long claws and brightly-colored teeth, the species was ...