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 ...

Although often glossed over, the human liver is a pretty amazing organ. Not just because it’s pretty much the sole thing that prevents our food from killing us, but also because it’s the only organ in ...

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 ...

When humans lose a limb due to an injury, there are lifelong lifestyle changes that are necessary to accommodate the loss of the arm or leg. In some instances, the changes are minor, with people ...

View post: Matt Damon & Ben Affleck’s Explosive Return: Why Netflix’s ‘The Rip’ Is 2026’s Must-Watch Action Thriller What if the key to human limb regeneration wasn’t buried in sci-fi dreams—but ...

It might sound like something out of the X-men but it came from a lab in California: mutant newts that grew perfect limbs after defective appendages were cut off. The findings help science get one ...

Biologists have long been fascinated by the ability of salamanders to regrow entire limbs. Now Harvard researchers have solved part of the mystery of how they accomplish this feat—by activating stem ...