How Lizards Regrow Their Tails

The green anole lizard is master of a well-known trick: it can disconnect its tail in a jam and grow a new one. It's not only impressive, but enviable: regrowing broken or missing body parts has long been the dream of regenerative medicine. Now scientists have unlocked the secret to the lizard's regenerative abilities, and it lies, in large part, within genes that humans share with the reptiles. Finding the Recipe Several other animals like salamanders and fish have regenerative abilitie