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Life Without

Life Without

By: BBC Radio 4
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What if, one day, something essential to our world suddenly vanished? No warning. No explanation. Just gone. What happens next?

Life Without is a roundtable-style podcast that explores this fascinating and thought-provoking question with insight, evidence-based assumptions and a range of perspectives. Hosted by Alan Davies, each episode brings together 2 guests, scientists, psychologists, economists, sociologists and journalists to discuss the unexpected consequences of losing something vital to our world.

Each episode starts with a bold, imaginative question: What would happen if something fundamental—like the moon, salt, sleep, or even something as random as rats—suddenly disappeared from the world? What's the immediate fallout? How does society cope? And how long would it take before things started unravelling?

(C) BBC 2026
Biological Sciences Science
Episodes
  • Life Without Sex
    Mar 20 2026

    Gen Z are famously having less of it. Do we even need it all? In this episode of Life Without, Alan Davies looks at what happens when we lose one of our most primal instincts?

    Where do we currently stand in reproductive technology and how important is sex in understanding our biological function?

    This episode features Miranda Kane a comedian, writer, and former sex worker who uses her platform to destigmatise the sex industry and Sarah Johns, a biological anthropologist at Kent and Medway Medical School with specialized expertise in human sexual behaviour.

    An ITN production for BBC Radio 4

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    15 mins
  • Life Without Bees
    Mar 13 2026

    No more buzzing, no more honey, no more bees – so then what? In this episode of Life Without, Alan Davies looks at how dependent we are on the existence of our busy little friends.

    From how they impact our diets to the medicinal qualities of their produce (honey and beeswax), we learn what is missing from the shelves, when bees are missing from our lives.

    This episode features Simon Potts ecologist and Professor of Biodiversity at Reading University and Alison Benjamin co-founder of Urban Bees and author of A World Without Bees.

    An ITN production for BBC Radio 4

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    15 mins
  • Life Without Salt
    Mar 6 2026

    A low salt diet is one thing, but a no salt life? In this episode of Life Without, Alan Davies discusses how Sodium Chloride affects our world and our taste buds.

    From our kitchens to our oceans, salt is everywhere and our brains and bodies would struggle without it. How long before we struggle and what alternatives might be available today?

    This episode features Mark Miodownik, Professor of Materials and Society at UCL and nutritional food scientist, bestselling author and broadcaster, Kumud Gandhi.

    An ITN production for BBC Radio 4

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    15 mins
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