This week the Diffusion Team investigate the facts and future of research into invisibility and dive into the controversy surrounding the recent decision by the International Whaling Commission. Presented by Tilly Boleyn, Science news by Jacqui Pfeffer, Invisibility - how close are we to becoming real X-Men? by Marc West, Not such a whale of a time - by Chris Stewart, Produced by Tilly Boleyn.