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The Secret Genius of Modern Life Series 3 Episodes

  1. Wednesday 19:55
    BBC Two

    Fridge

    2/5 Hannah hits the production line to find the lifeblood at the heart of every fridge. (R)

  2. Thursday 19:55
    BBC Two

    Motorway

    5/5 Hannah drives to the National Highways control centre for the UK’s busiest motorway. (R)