Axolotls, with their signature smiles and pink gills, are the celebrities of the salamander world. But they are more than just cute: They might also hold the secret to regenerating human limbs. Among ...

Axolotls (Ambystoma mexicanum) are a paedomorphic salamander, which means that they retain their juvenile features and aquatic lifestyle into adulthood. They are an endemic species of Lake Xochimilco ...