Teeth can act as detailed biological records, preserving evidence of health, diet, and stress experienced throughout a person’s life. Teeth can reveal far more than age or appearance. In a recent ...

A new study reveals that the sensitivity of teeth, which makes them zing in a dentist's chair or ache after biting into something cold, can be traced back to the exoskeletons of ancient, armored fish.

Naylor and others cautioned that ocean acidification is indeed going to pose many threats to the ocean beyond just sharks.

A group of German scientists tested the effects of a more acidic ocean on sharks' teeth and found that future generations of ...