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 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.
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