Take it further
Got a passion for science? Find out about studying science at The Open University.
Play with DNA - on your fridge
Have you tried: The scratch-and-sniff experiment?
Bang on TV
Bang Goes The Theory originally shown on BBC One England on April 4th at 7.30pm; and in Wales, Scotland and Northern Ireland later in the week. It's being repeated on Thursday morning, 14th July. Full schedule and iPlayer links are on bbc.co.uk.
In the latest episode of the series, the team take on more scientific challenges. Jem explains what a calorie is and then gets the others to demo calorific value by taking part in the Oxbridge Boat Race, Dr Yan goes to the Houses of Parliament to test MPs' abilities to calculate risk, and Liz takes a closer look at antibiotics.