This week, the science at play in an industry that dwarfs both Hollywood and the music world: computer games. We hear how video games are altering the brains of players, why lovers of the shoot-em-up could be carving out a niche for themselves in the military, and whether adrenaline-fuelled sessions on a console can be addictive. Plus, why you might need a DNA test before going on holiday in future, evidence that bees are attracted by insecticides, and how colour can affect your body clock... Like this podcast? Please help us by supporting the Naked Scientists