A Diffusion Science Nuclear Special. We look at the breakdown of nuclear waste storage materials with time, and the problems associated with cleanup of the Maralinga nuclear test site. Dr Ian Farnan, University of Cambridge, talks to Charles Willock about possibly significant errors in estimates of nuclear waste storage times. Alan Parkinson, nuclear engineer, talks with Charles Willock about the mishandling of nuclear waste at Maralinga. Presented by: Emily Fearn Panelled by: Celine Steinfeld Produced by Charles Willock and Ian Woolf assisted by Patrick Rubie Music: "The Elements" Tom Lehrer/Sir Arthur Sullivan "It's a scientific fact" Tom Glazer and Dottie Evans (by Hy Zaret and Lou Singer)