Scientists recently discovered mutant black tree frogs in the Chernobyl nuclear exclusion zone, raising hopes that humans could someday return to the radiation zone as well. Knewz.com has learned that despite the radiation, the mutant black frogs were found to be healthy, and their lifespan is similar to the bright-green non-mutated variants. Nearly 40 years ago, in 1986, the settlement of Pryp’yat in Ukraine saw the worst nuclear disaster in the world unfold as one of the reactors at the