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

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

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

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.

Learn why both human teeth and an ancient fish contain a key sensory substance — but in different locations.

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

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

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

Animal life, emerging nearly 600 million years ago, showcases incredible diversity and unique traits. Unlike plants, animals ...