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CrowdScience Episodes

  1.

    How many flies have ever existed?

    Flies are everywhere. But just how many have ever lived?

  2. Is every atom unique?

    Are atoms as individual as snowflakes – and if not, where does uniqueness begin?

  3. Why are the seas salty?

    How does salt get into the world's oceans, and is melting ice making them any fresher?

  4. How fast can a raindrop cross the globe?

    Could a raindrop from the UK travel all the way to New Zealand?

  5. Why does wine taste better over time?

    What chemistry makes some wines age well, while others turn to vinegar?

  6. Will mountains shrink as sea levels rise?

    Should we re-calculate the height of mountains to account for sea levels rising?

  7. What does prayer do to my brain?

    Can science explain the effects of prayer on our brains and wellbeing?

  8. Why are people still dying from malaria?

    We visit Malawi to discuss malaria, mosquitoes and a world-leading vaccination programme

  9. Why am I bad at maths?

    Why are some people better at mathematics than others?

  10. How should we protect our coastlines?

    What’s the best way to combat coastal erosion?

  11. Are our coastlines being washed away?

    What is coastal erosion and why is it a problem?

  12. How do my ears sense direction?

    How can we hear a sound and immediately know where it’s coming from?

  13. How many people have ever existed?

    Listener Alpha in Sierra Leone asks us to count all the humans who have ever lived

  14. Could climate change lead to more volcanic eruptions?

    We head to New Zealand to ask how a hotter planet will affect volcanoes.

  15. Do animals have anxious habits like us?

    Why do we bite our nails - and do animals share similar habits?

  16. Is the BMI fatphobic?

    How useful is the Body Mass Index?

  17. Do we all see the same colour?

    Caroline Steel investigates what affects the way we see the colours of the world

  18. How bad is our data for the planet?

    What's the environmental impact of all the data we use?

  19. Why do we have wisdom teeth?

    Answering your questions about life, Earth and the universe

  20. What time was the first clock set to?

    From sundials to atomic clocks via Big Ben, a quest into the history of timekeeping.

  21. When will the next earthquake hit?

    Will we ever be able to predict earthquakes?

  22. Why do we daydream?

    Meandering into your wandering mind, why can’t we stay present?

  23. How should we measure cleverness?

    The CrowdScience team are tested to the limit to see how brainy they are.

  24. Were humans ever semi-aquatic?

    Was there a semi-aquatic period for humans as we’ve evolved?

  25. Can planting trees solve the climate crisis?

    Can we plant enough trees to soak up all the extra carbon we put into the atmosphere?

  26. Will electric cars help solve noise pollution?

    Will electric cars solve noise pollution?

  27. 2023 Year End Extravaganza, Part 2

    Welcome to Part 2 of our year-end extravaganza, full of bonus content and stories

  28. 2023 Year-End Extravaganza, Part 1

    It’s Part 1 of CrowdScience’s year-end extravaganza! Say hello to some familiar faces.

  29. Are seeds alive?

    How come a seed can do nothing for months, or even years, before bursting into life?

  30. Where does our fat go when we exercise?

    What happens to the fat in our bodies when we exercise?

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