Episode 1 Smell and Taste – In the first programme of the series Nigel Marven goes in search of the most disgusting, the most attractive smells and sets out to discover the biological reasons why humans eat such a diverse range of foods, from rotten raw ducks eggs to a sweaty blue cheese. At a chilli eating contest, he pushes his taste buds to the limit.
Episode 2 Hearing and Balance – Sound can have a very powerful effect on how we feel about the world and Nigel Marven is on a quest to track down the sounds which have the most powerful emotional effects on us. Balance is our true sixth sense it enables us to sense how our bodies are moving around in the world and keep us upright. There are only two kinds of animal that spend their whole lives performing the tricky balancing act of walking on two legs humans and some flightless birds, like ostriches.
Episode 3 Touch and Vision – Humans are very sensitive to touch, but different parts of our body have different sensitivities. Nigel demonstrates that when it comes to our sense of touch, humans are similar to elephants. Nigel Marven sets out to discover why we are excellent at seeing some things, but sometimes miss what’s right in front of our eyes.