Conversations over Cocktails and the Pidgeon's Magnetic Myth - Naked Scientists NewsFLASH - 16.04.12

How can we hear a conversation in a noisy room? In this NewsFlash, we find out how a robot can tell us how moving your head alters the way the brain interprets sound, and we discover the epigenetic signature of colon cancer. Plus, a magnetic mystery - why iron rich cells in the beaks of homing pigeons are not the guiding compass we thought they were...