Salamanders use stress signals to prep their whole body to regrow limbs - offering new clues for human healing.

Missouri quarterback Sam Horn was injured on his first play of the regular season. Horn came in during the second series of the game between Missouri and Central Arkansas. With the Tigers up 6-0, Horn ...

Imagine this: you accidentally lose an arm or a leg, and instead of rushing to the hospital, your body just grows it back.

Biologists have long been fascinated by the ability of salamanders to regrow entire limbs. Now Harvard researchers have ...

Fight or Flight—and Grow a New LimbStudy reveals how salamanders rely on sympathetic nervous system to regenerate body partsBy Kermit Pattison / ...