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The Secret Genius of Modern LifeEpisodes

  1. Today19:55
    BBC Two

    RollercoasterSeries 3

    3/5Hannah Fry uncovers the wild origins of the modern-day rollercoaster.(R)

  2. Next Wednesday19:55
    BBC Two

    Air FryerSeries 3

    1/5Hannah looks at the air fryer – a device that is rapidly taking over people's kitchens.(R)