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Pudsey in space
Bang Goes The Theory helps Pudsey take things to the limit for BBC Children in Need (bbc.co.uk/pudsey). Is that his breath on the lens?
Joe Kittinger extra
Dallas describes the ups and downs of Joe Kittinger's historic jump from 102,800 feet (31,333 metres).
Brain Test Britain
Does brain training work? Join Dallas and Jem in the biggest ever brain training experiment by clicking on the Brain Test Britain link (right).
Vortex cannon special
Jem takes you through a history of vortex cannons and explains the risks involved in building one. Especially a very big one.
Liz left in pieces
Ta daaa! Jem and magic fan Dallas have sawn Liz in half, but that's only the start of her problems.
Dr Yan's bin liner challenge
Can you inflate a large bin liner with just one breath? Dr Yan thinks he can - find out how.
Dr Venter on genomics
Liz talks to Dr Craig Venter about his work on the human genome, and his controversial future plans.
In-depth specials, interviews with scientists plus TV highlights in our new videos section.
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- Charles Darwin (1809 - 1882)