Fox News Cannibalistic smiling salamander may unlock secrets for limb regeneration Known as an axolotl, this unique amphibian, which is described as “smiley-faced” and “feathery-gilled,” lives in Mexico and has been known to eat the limbs of its siblings for food. It is an act that Northeastern University associate professor of biology James Monaghan believes could help with the ability to grow back human limbs, akin to […]