The rest of this article is behind a paywall. Please sign in or subscribe to access the full content. Five patients who lost large amounts of muscle in their legs were able to grow it back. With the ...

For centuries, the inability to regrow lost body parts has been considered a defining limitation of humans and other mammals.

WASHINGTON – Scientists implanted thin sheets of scaffolding-like material from pigs into a few young men with disabling leg injuries – and say the experimental treatment coaxed the men’s own stem ...

Researchers have shown that cardiac scar tissue (fibroblasts) can be directly reprogrammed to heart muscle cells (cardiomyocytes) in mice. By treating mice post-heart attack with a virus carrying ...

When an axolotl loses a leg, it grows back. Bone, muscle, nerves, skin, even the individual digits return in roughly the ...