The Death Cap mushroom. The Destroying Angel. Researchers are learning how these lethal mushrooms kill. Today we’re talking about some of the most dangerous and fiendishly clever organisms on earth: poisonous mushrooms. The names alone sound like something out of a B-movie: Deathcap and Destroying Angel. But how do these mushrooms kill? Researchers at Michigan State University who were studying the Death Cap mushroom thought they knew. They were looking for a big gene that produces a certain enzyme—the one that was supposed to do the damage. After years of trying and failing to sort out what was going on, they stumbled on something that was a complete surprise. Learn what they found--and get the latest advice on treating mushroom poisoning.