Take it further
Got a passion for science? Find out about studying science at The Open University.
Play with DNA - on your fridge
Challenge your ears
Have you tried: The Shepard Tone illusion?
Bang on TV
Bang Goes The Theory returns to BBC One England and Wales on April 25th at 7.30pm, and in Scotland and Northern Ireland on April 29th at 8:30pm. Full schedule and iPlayer links are on bbc.co.uk.
This episode of the series that reveals your world with a bang has a royal wedding theme. Jem builds a singing road as a present for the royal couple, Dr Yan explains the science of dad dancing, and Liz uses DNA to track her family tree right back to the earliest humans.