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

Chances are, sensitive teeth are to blame. While some home remedies can reduce discomfort caused by sensitive teeth, uncovering the underlying cause can help you treat and, hopefully, prevent this ...

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