A new fossil study reveals that teeth began as skin sensors, helping explain why modern teeth still react painfully to cold ...

The research also showed that structures considered to be teeth in fossils from the Cambrian period (485-540 million years ago) were similar to features in the armor of fossil invertebrates, as ...

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ancient armored fish. That zing in your teeth from a cold treat? Blame this ...

The sometimes uncomfortable sensations we feel in our teeth may be an evolutionary holdover from the scaly exteriors of ancient armored fish.

Toothache from eating something cold? Blame these ancient fish New research on fossils shows that teeth first evolved as sensory tissue in the armored exoskeletons of ancient fish. Peer-Reviewed ...