Episode 4

Available for over a year

Why do people kiss? Why do pizzas come in a square box? Do snails think slowly? And how much fat you need to become bullet-proof? Comedian Colin Murphy is your host who welcomes resident nerds: Scientist - Dr David Booth Comedian and computer geek - Matthew Collins. Special guest: Comedian Ardal O' Hanlon. You may not get the answers you were expecting but you'll certainly have a few laughs. Producer: Jackie Hamilton. First broadcast on BBC Radio 4 in October 2010.