Alexei Navalny: What is Novichok, the deadly nerve agent?
The IndependentSign up for our free Health Check email to receive exclusive analysis on the week in health Get our free Health Check email Get our free Health Check email SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy A powerful Russian nerve agent has been used on a Russian opposition leader, according to the German government. Novichok became famous in the Nineties, when a Soviet scientist called Vil Mirzayanov revealed that the country had secretly developed the powerful nerve gas, which was far more potent than anything in the US. Nerve agents were first developed by the Nazis during the Second World War, and have been called by one expert “possibly some of the most dangerous things that humans have ever made, after the atom bomb”. Prof Robert Stockman, professor of organic chemistry, University of Nottingham, said: “Fluoro phosphate-based nerve agents work quickly – so in terms of half-lives within the body, this will not be very long.