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

A look at the strongest, biggest, most numerous, and just weirdest dental situations on the planet.

This species of shark has needle-like teeth. Long, sharp teeth are excellent at gripping small or medium-sized fish and squid. The bull shark has needle-like teeth that are slightly serrated, for ...

While tyrannosaurid teeth are sharp and recurved, presumably for capturing and killing animals and/or ripping flesh from their carcasses, apatosaurids have small, peg-like teeth, more likely used ...

The new species, Cirrhimuraena taiwanensis, is a member of a genus of snake eels with “small, fleshy projections ... 12 in that genus by the row of sharp teeth along its bottom jaw, relatively ...