Disco Psychology - the science of drinking and dancing feature in this week's Naked Scientists. We find out what your dance moves say about your genes and why drinking alcohol or smoking cigarettes makes faces seem more attractive. Also, we discover what happens in the minds of people suffering from Post Traumatic Stress Disorder, PTSD. Plus, researchers make brain washing a reality, roll out a stream of x-rays from a reel of sticky tape, and reveal why the smell of rotten eggs may be good for your blood pressure! In Kitchen Science, we re-train Ben's brain see the world from a different angle!