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Bang Goes The Theory 5: Episode 6

Updated Wednesday, 14th September 2011

This week the Bang team investigate tooth decay, new forms of light, and the problems with refreezing food

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bang s5e6 jem makes a light Copyrighted  image Icon Copyright: BBC Jem investigates the science of light

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Dallas downs his toothbrush to discover what causes tooth decay and gum disease, Yan explains why refreezing food is not a great idea, and Jem investigates new research that electric lights can play havoc with the way we sleep..

Bang Goes The Theory can be seen on BBC One (England) and BBC Two (Scotland and Wales) on September 19th at 7.30pm. Full schedule and iPlayer links are on Read more about the current series.

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