A tiny creature with frilly gills, a polite smile and glowing green skin just gave scientists a major clue to solve one of biology’s biggest mysteries: limb regeneration. Aquatic salamanders called ...

Mapping limb regeneration is an intricate, molecular dance. If an axolotl loses a leg, it gets a new one–complete with a functional foot and all four toes. Over just a few weeks or months, bone, ...

Could humans be capable of growing new limbs? Scientists are trying to figure that out with the aid of an unexpected resource: salamanders. Research shows that the amphibians' regeneration abilities ...

Some animals have the ability to grow new arms and legs. Can we learn their secrets and duplicate them in humans? In Spider-Man comics, scientist Curt Connors injects himself with a serum based on ...

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

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. If an axolotl loses a leg, it gets a new one–complete with a ...