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

The tiger cub opened its mouth wide and bared its teeth at the photographer from inside the cage, looking fierce. This footage was filmed by Mr. Wang, in Weichneg, Weifang, Shangdong, at 10:02, on ...

The toothlike structures represent a step toward bioengineered replacements for dental implants, say researchers behind the ...

The dolphin’s numerous pairs of teeth help make it one of the top predators of the ... Thomas is a National Geographic Photographer and Explorer. He’s a marine biologist who turned to photojournalism ...