CT scan of a catshark hatchling head. Note the ridged scales.
Rory Cooper, Kyle Martin & Amin Garbout/Natural History Museum London
Shark skin is composed of millions of tiny scales, which have a similar chemical composition to human teeth.
The enamel on your teeth is what makes them sparkle. It also acts as a protective coating on the teeth.
A recent study was the first to establish a way to regrow tooth enamel. But what is tooth enamel and why is it so important?
Time to brush up.
You may think you know everything about keeping your teeth healthy, but what you don't know might surprise you...
Will understanding more about the nanostructure of teeth mean the dentist’s drill will become endangered?
Toothaches and root canals loom large in the collective memory and the whine of a dentist’s drill conjures unpleasant memories for most. Tooth decay and cavities most commonly affect the enamel that protects…