Following is a transcript of the video. Narrator: A turtle's shell is as much a part of its body as our rib cage is of ours. In fact, it is their rib cage, and their spine, and their vertebrae, and ...

Ammonites are a tale of two textures. The prehistoric cephalopods were composed of fleshy soft tissue (the living bit of the animals) and hard external shells, which, according to a paper published ...

A structure much like a liquid crystal allows the shell of a scarab beetle to circularly polarize light, scientists in the US have discovered. Mohan Srinivasarao of the Georgia Institute of Technology ...

Researchers have solved the missing piece of a 350-year-old puzzle of how the pointed body parts of many animals grow to form their shape - including teeth, horns, claws, beaks, animal shells, and ...

Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.