Scientists have discovered that frogs have the ability to regrow limbs. It was already known that other animals, like salamanders, starfish, crabs and lizards could do the same. Researchers at Harvard ...

The headline claim that one dose of frog gut bacteria erased cancer in mice is not marketing language, it reflects a stark outcome in the lab. In a colorectal cancer model, a single intravenous ...

Add Yahoo as a preferred source to see more of our stories on Google. Every week, Michael Levin receives calls and letters from people who have lost limbs. How this happened varies — industrial ...