Take it further
Got a passion for science? Find out about studying science at The Open University.
Play with DNA
Have you tried: The scratch-and-sniff experiment?
Bang on TV
Bang Goes The Theory returns to BBC One England on March 28th at 7.30pm; and in Wales, Scotland and Northern Ireland later in the week. The programme is being repeated in the BBC One SignZone on July 7th 2011 at 1.30am Full schedule and iPlayer links are on bbc.co.uk.
In the latest episode of the series, the team take on more scientific challenges. Dallas goes supersonic and meets the team behind a 1000mph car. Jem looks at what makes stuff sticky and makes homemade glues to test out on the other presenters, and Dr Yan puzzles commuters with an optical illusion.