6/6 Dave Gorman and guest Charlie Brooker chew over ridiculous and unworkable inventions.
BBC Radio 4 Extra
4/4 What could we do if a giant asteroid were heading straight for us?
5/6 Dave Gorman and guest Matthew Wright chew over ridiculous and unworkable inventions.
3/4 The women US astronauts of Mercury 13, who never got into space.
4/6 A conveyor duvet could be just the thing for quibbling couples. With Gyles Brandreth.
2/4 Funny, factually-accurate look at space travel and explosive nuclear propulsion.
3/6 Garments made of human dust fragments? More of the public's inventions.
1/4 Are there civilisations on other planets, and, if so, why do they never call?
5/5 Aleks Krotoski tells the story of how GPS helped navigation in the first Gulf War.
Three scientists each present their idea for how to reduce sugar intake.