Scientists Hope To Foil Deadly Frog Fungus With More Fungus

It's been called "the worst infectious disease ever recorded among vertebrates." The devastating effect of the chytrid fungus on frog populations around the world has contributed to the extinction of at least 200 species and no one knows where it came from. But now scientists are hoping to tweak the amphibian's evolutionary development by bulking up their bods with small doses of the very thing that's killing them.