For the past two decades, scientists have been manipulating genes to grow human cells where you wouldn’t quite expect them.

Rabbits' teeth grow continuously, and bunnies wear them down by munching fiber-rich foods. Scientists suggest rabbits recycle ...

But behind the fearsome appearance of saber teeth lies a conundrum. "They're probably really fragile," says paleontologist Emily Rayfield, of the University of Bristol. "In some animals these ...

Long ago, before celebrity veneers, bleach kits, or even dental floss, “animals diverged ... evolved teeth and tusks that grow continuously, a defensive strategy against wear and tear, humans ...

“While working on my Ph.D. thesis, I was fascinated by the strange wear on the surfaces of the canines and cheek teeth of individuals from Pavlovian sites. In addition to normal wear on the ...

It is not normal for older dogs to have rotten teeth, although unfortunately, it is common. As dogs age, due to general wear and tear on their teeth, they are more likely to experience dental ...