Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. If you’re an adult human, odds are you already know a thing or two ...

Spotted ratfish, or “ghost sharks,” have forehead teeth that help them grasp onto mates. It’s the first time teeth have been found outside of a mouth.

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The saber-toothed cats that once prowled modern day California had ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Patent model for Merrick Bemis, ...

A pioneering new drug that could eventually help people regrow missing or damaged teeth has begun clinical trials in Japan. If successful, the "groundbreaking medication" may be a "game-changer for ...

Komodo dragon teeth are ironclad. Literally. The serrated edges and tips of the reptiles’ razor-sharp chompers are lined with a layer of iron, researchers report July 24 in Nature Ecology & Evolution.