Where are the oldest toilets in the world? Who invented the flushing loo? What can Japan's most advanced toilet do? Adam Hart-Davis looks at five iconic toilets.
Jonathan Ross and Russell Brand proved that swearing during a national broadcast can provoke moral outrage. Susie Dent discusses the use and abuse of the F-word.
Do you have a Satellite Navigation system in your car? Have you ever wondered how it works? Johnny Ball explains the extraordinary maths behind the modern gadget.
Adam is a photographer, writer, and broadcaster, who has presented over 200 television programmes (including What the Romans did for us), radio programmes, and written several books on science and history.
Susie is the resident word expert on Channel 4’s Countdown programme as well as the author of several books on language change and new words, including The Language Report, published annually by Oxford University Press.
Johnny Ball is a BAFTA-award winning popularizer of mathematics and sciences whose television shows included Think of a Number and Johnny Ball Reveals All. He continues to make appearances and lectures throughout the country.