The tricks your mind plays on you are up for analysis this week as we explore the science of taste including why noise diminishes food flavour aboard an aeroplane and how much affects your choice of wine. We also speak to a synaesthete who, quite literally, tastes the people he meets, and we probe the workings of the placebo effect. Plus, pain killers from black mamba venom, why teenagers take risks and the age old chestnut of why names are so hard to remember...