Duck Quacks Don't Echo (UK)

Holly Willoughby, Dara Ó Briain, Hugh Dennis (2x2)

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This Morning host Holly Willoughby, funnyman and presenter Dara O'Briain and comedian and actor Hugh Dennis attempt to find the answers to all manner of questions. They include - are people more likely to believe statements if they rhyme, do identical twins also smell the same and can airborne bacteria from a toilet reach a toothbrush six feet away?