Sensory features on the armored exoskeletons of ancient fish may be the reason why humans have teeth that are sensitive to ...

Teeth are good for chewing and biting, but they are also sensitive – and that may have been their original function hundreds ...

Teeth are sensitive because they evolved from sensory tissue in both ancient vertebrates and ancient arthropods.

A gharial is a peculiar creature with a slender snout reminiscent of a swordfish, bulging eyes similar to a bullfrog’s, and a ...

A piranha is a type of fish from the Serrasalmidae family and a member of the subfamily Serrasalminae. It’s a freshwater fish ...

He's got the wrong sort of teeth! Animals which eat plants have teeth like this. They're shaped to squash and grind. Meat eating animals have teeth like this, for slicing and ripping. You should ...