Add Yahoo as a preferred source to see more of our stories on Google. For decades, scientists have studied planarians as the poster child for regeneration. (CREDIT: Stowers Institute for Medical ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. A tiny creature ...

Bone can heal itself, but not always in the ways we expect. Some animals regrow entire limbs. Others, like humans, can only manage a few millimeters at the tip of a finger. This wide range in ...

The ability to regenerate lost body parts has long captured human fascination. Many creatures out in nature can perform feats of repair that far surpass our own abilities. For example, salamanders can ...

Axolotls (Ambystoma mexicanum) have the incredible ability to regenerate limbs, and even entire organs. And of course, people want to know how we might get our own human bodies to do it, too. A team ...

A team of scientists has mapped the regions surrounding stem cells in planarians—small flatworms that are famous for being able to regrow whole bodies from small fragments—and discovered something ...