"Bioreactor dome" and drug cocktail enables frog to regrow lost leg

Researchers have enabled an African clawed frog to regrow a missing leg using a drug cocktail swirling around the animal's stump within a 'silicone wearable bioreactor dome.' Even the name of the technology—'bioreactor dome'—sounds like something from a superhero comic. According to the Tufts and Harvard University scientists, the drugs were responsible for tamping down inflammation, inhibiting the production of collagen which would lead to scarring, and encouraging the new growth of nerve fibers, blood vessels, and muscle.' — Read the rest