Which is faster - a motorbike, a golf ball, or a firework? Brainiac boffin Jon Tickle goes undercover with X-Ray specs. Vacuum cleaning - does it really suck? Brainiacs get sloshed checking out hangover cures. We do more bad things with a... (more) microwave oven. Tina Turner and her Bunsen burner are back with another big bang. It's slime time for Dr Bunhead! And a bunch of toffs take on our black box flight recorder.

Neil Hamilton