, the death cap mushroom. (Archenzo/Wikimedia Commons/CC BY-SA 3.0) In spite of being responsible for over 90 percent of mushroom-related fatalities around the world, we still don't know why the death cap mushroom is as lethal as it is. Which makes it a little difficult to discover ways to prevent its toxic effects. Fortunately, scientists may have now identified a substance that could work as an antidote for poisoning by the famously deadly mushroom, Amanita phalloides. In even better news, the candidate, called indocyanine green, is already FDA approved and used as a dye for medical diagnostic imaging. A research...