Scientists Got Adult Frogs to Regrow Limbs. It's a Step Toward Human 'Regeneration'

Millions of people live with amputated limbs that are gone forever. But that might not be the case forever. For the first time, scientists have shown that adult frogs can regrow amputated legs. They say the approach can work in humans, too. "There is no reason that human bodies can't regenerate," said Tufts University biologist Michael Levin, who led the new research. "This is the first proof-of-principle of a roadmap for regenerative therapy in human medicine, well beyond limbs," he adde