It sounds like something out of a spy novel: an ex-spy is poisoned on a park bench, or a dictator's brother is sprayed in the face with a chemical weapon and dies. But these are real life events, and they are the result of chemical weapons. What are these chemicals, how do the work, and what on Earth do people do about them? We're talking with chemist Chris Cramer about his expertise, getting rid of chemical weapons. Related links: Nerge agent attack on spy used 'Novichok' poison, on c&en Novichok poisoning breakthrough as original container found, on Chemistry World Decontamination...