Snails can hide in their shells for months or even years, slowing metabolism and sealing in moisture to survive harsh ...

Animals with Shell: Humans use technology to make protective gear, but many armored animals have been perfecting their natural defenses for millions of years. Scientists at places like the ...

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 ...

The fossil remains of some of the first animals with shells, ocean-dwelling creatures that measure a few centimeters in length and date to about 520 million years ago, provide a window on evolution at ...

Turtle shells evolved over the course of 300 million years, but self-defense wasn't the initial driver, researchers think.

This is a preview. Log in through your library . Abstract A comparison of the safety factors of tropical and temperate limpet shells in the eastern Pacific yielded two results of significance. A ...