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

Ever wondered why our teeth are so sensitive to pain or even just cold drinks? It might be because they first evolved for a ...

Ever wondered why our teeth are so sensitive to pain? It might be because they first evolved for a very different purpose ...

Curious to discover the sneakiest animals in the world? Keep reading to learn about these animals and their unique abilities!

We may not regard hyenas as the most adorable animals, but they are both fascinating and impressive. Despite having the ...

Have you ever noticed that only mammals have tusks? No bird, reptile, or amphibian has grown this distinct feature, ...

Hundreds of millions of years ago, fish had sensory features on their exoskeletons that contained dentine, the material that makes our teeth sensitive today ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When Haridy studied the tissues of her catfish, she saw that the denticles were ...

A new study, published on May 21 in the journal Nature, has revealed surprising information about the origins of human teeth.

New research shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue in the armored exoskeletons of ancient fish.

If you've ever gotten a toothache from eating something cold like ice cream, scientists at the University of Chicago might ...

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