The large triangular teeth of modern great white sharks are known for their boldly serrated cutting edges which allow them to cut their prey into bite-sized pieces. But 15 million years ago an ...

A “serrated blade” found sticking from a rock on Isle of Wight in the UK has been identified as a shark tooth that could be 100 million years old, experts say. Wight Coast Fossils photo A “ serrated ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...

Losing a tooth is tough. If we lose the small living structures that help us chew our food, we're left with the options of replacing them with dentures or implants that can be costly. Beyond that, ...