Researchers uncover key clues in the mystery of limb regeneration

Why do some salamanders regenerate limbs faster than others? A team of biologists has identified genetic factors that may dictate the rate at which limbs and organs re-grow in these incredible amphibians, shedding much-needed light on one of the most remarkable physiological feats in the animal kingdom. » 7/03/13 2:00pm 7/03/13 2:00pm