MRI can treat cancer as well as diagnose it by Ian Woolf, Professor Geraint Lewis talks about how Relativity may allow faster than light travel by space warp, and antigravity, Edric Hong explains how origami is mathematics, Nicola O'Brien talks about Code Rangers, where kids control technology, Carmel Morris talks about paper airplanes. Production checked by Charles Willock, Produced and hosted by Ian Woolf Support Diffusion by making a contribution