Your ancestors were hauling massive whale bones up steep cliffs and dragging them miles inland to their cave homes 20,000 ...

The animal kingdom showcases bizarre mating rituals, from alligators with perpetual erections to kangaroos possessing three ...

New research from the University of Chicago reveals that teeth may have evolved from sensory armor in ancient fish.

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

A recent study reveals that human teeth evolved from the sensory armor of ancient fish that lived 465 million years ago.

Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives ...

The three-time record-breaker said he has been sticking objects to his skin since he was a child ... found covered in more than 1.5 pounds of barnacles, algae May 22 (UPI) -- Marine rescuers ...

Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When ...

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 ...

Blame it on a prehistoric armored fish. While the outer layer of our teeth is coated in hard enamel, it’s the inner layer, ...