An international team of researchers was studying the acoustic communications of certain miniature frogs. When they discovered that Brachycephalus ephippium could not hear its own mating calls, they searched for alternative visual signals the frogs could use to communicate instead. Unexpectedly, when they shone an ultra-violet (UV) lamp on the frogs, their backs and heads glowed intensely. Continue Reading... Use this thread to discuss the article above. What are your thoughts about Fluorescence discovered in tiny Brazilian frogs?