The acclaimed historian, Professor of History at Harvard University and a leading authority on the Cold War and nuclear history, tells the tale of the six nuclear disasters that shook the world: Bikini Atoll, Kyshtym, Windscale, Three Mile Island, Chernobyl and Fukushima. Based on wide-ranging research and witness testimony, Plokhy traces the arc of each crisis, exploring in depth the confused decision-making on the ground and the panicked responses of governments to contain the crises and often cover up the scale of the catastrophe. He talks to writer and journalist Oliver Balch.