Frogs can regrow amputated limbs after being treated with mix of drugs, new research finds CNNFrogs Regrow Missing Limbs in Lab Study, Advancing Key Effort of Regenerative Medicine The Wall Street JournalScientists Regrow Frog's Lost Leg | Tufts Now Tufts NowFrog regrows amputated leg after drug treatment The GuardianScientists regrow missing frog legs using a five-drug cocktail Daily MailView Full Coverage on Google News