Researchers say the tenaculum helps males grasp females during reproduction, acting like the mouth full of teeth that other ...

The spines of sea urchins make them look like pin cushions, but these marine invertebrates also have very sharp teeth that can dig into rock. Now researchers have discovered what makes the teeth ...

Humans have sharp canine teeth, but we don't use them to tear meat. Like other apes, our ancestors used them to fight for mating rights.

The teeth and claws of ants and other insects evolved to be sharper and harder to compensate for the animals' smaller muscles.

Uniformly distributed atoms of zinc make ant teeth sharp, durable, and efficient ...

VERO BEACH — Some of you may have a new puppy in your home. There are three important lessons every puppy needs to know by the time they are 4 months old. These lessons are bite inhibition ...