This week, a message from Naked Scientists listener Loretta. "I'm curious if your show might cover some of the most interesting case studies of organisms developing tolerance to severe toxins, what genetic insight this gives us about adaptation and natural selection more broadly, and what some of the tradeoffs might be when evolving to have such tolerances." We're answering her question: how do animals - and even humans - eat poison, and get away with it? Like this podcast? Please help us by supporting the Naked Scientists