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 ...

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

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

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.

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

Only in Newsday Sources: Detective owns LI home where body was found in pool A member of the task force that searched for homicide suspect Matthew Zoll last November owns the East Shoreham home ...

Choose from Female Anatomy Diagrams stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

One major physical difference between the male and female betta fish is the length of their fins. The males have noticeably longer fins than their female counterparts, and in some species, the males’ ...