Add Yahoo as a preferred source to see more of our stories on Google. In the summer of 1989, Jack Dumbacher was a fresh-faced ornithologist-in-training on his maiden expedition to the lush rainforests ...

Flying through the jungles of Papau New Guinea, two brightly colored bird species carried a secret. More accurate, the birds carried a poison — a toxin emanating from their feathers and seeping from ...