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Bang Goes The Theory 4: Episode 7

Updated Monday 25th April 2011

This week there's a royal wedding theme as the team look at singing roads, dancing dads and family histories

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Bang 24e7 Liz and mtDNA Copyrighted image Icon Copyright: BBC

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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

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.

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