Richard Hammond finds out whether or not you can you really smell fear? We put more things we shouldn't inside a microwave oven. We make snooker interesting with the help of Quintin Hann, 6 caravans and some propane gas. Is it possible to dr... (more)ink lager whilst being electrocuted? Can an increase in testosterone make a wimp well 'ard. Status Quo put the rock and roll into acoustic science. We check out more things Jon Tickle's body can't do. Charlotte Hudson is on hand to help a member of the public ' do science'. The Homer Simpson of science Dr Bunhead takes his lab to the local - and gets barred! And your chance to vote and win a starring role on Brainiac with Explosive of the week.

Andrew Bown, Francis Rossi, Frankie Dettori, Matt Letley, Rhino Edwards, Rick Parfitt