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

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

Scientists have uncovered a remarkable fossil from Canada's Burgess Shale, a discovery that reshapes how the evolution of ...

More than 500 million years before “The Simpsons” introduced us to Blinky, a fish with an extra eye swimming through ...

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

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.

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

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

In the 460-million-year-old Eriptychius, the researchers found large, open pulp cavities and branching dentin tubules — an ...

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

Pressed into a piece of rock is the flattened, 47 million-year-old body of a cicada. Measuring about 1 inch (26.5 millimeters ...