Researchers found that the USAG-1 protein could limit the growth of teeth in mice, so ensuring that the protein didn’t form ...

When Brent Chapman’s doctor first pitched him on the idea of having one of his own teeth surgically embedded in his eye to restore his sight, he says he felt “a little apprehensive.” ...

Cretoxyrhina's were smooth, curved, and grew more than two inches (five centimeters) long. Bite marks and teeth embedded in the bones of its prey suggest Cretoxyrhina chomped with brutal force.