Immune-manipulating parasites, bacterial genomes married to disease processes and viruses that bounce off already-infected cells make for an infectious episode of the Naked Scientists this week. Also up for analysis, why the eyes vote no to long space journeys; the problem with prostate cancer prediction; why nanoparticles trigger bacteria to breed superbugs and the contagious question of which cancers you can catch... Like this podcast? Please help us by supporting the Naked Scientists