A recent study reveals that human teeth evolved from the sensory armor of ancient fish that lived 465 million years ago.

Aristotle wrote, around 350 BC, “teeth have one invariable office ... beginning to provide incredible detail on the microscopic layout of dental enamel (see Smith and Tafforeau, 2008).

If true, it would change our understanding of the Caribbean’s layout at a crucial ... that the other serrated teeth from the other islands belonged to the same animal, they could paint a ...

He's got the wrong sort of teeth! Animals which eat plants have teeth like this. They're shaped to squash and grind. Meat eating animals have teeth like this, for slicing and ripping. You ...

For sure. As with humans, you can tell an ape’s age by looking at its teeth, says Erin Stromberg, primate keeper at the Smithsonian National Zoo. In fact, most mammals have two sets of teeth in ...