Unexpected Elements

Unexpected Elements

BBC World Service

The news you know, the science you don’t. Unexpected Elements looks beyond everyday narratives to discover a goldmine of scientific stories and connections from around the globe. From Afronauts, to why we argue, to a deep dive on animal lifespans: see the world in a new way.

Categories: Science & Medicine

Listen to the last episode:

The Winter Olympics has the Unexpected Elements team looking into some of the incredible science behind the sports. First up, the tale of India’s lone luge pilot: how did using old train tracks as sled runners give him a competitive edge? Then, we look at the physics behind a cheating scandal that has rocked the ski jumping world. Scientific studies tell us exactly how much difference changing a single stitch in a costume can make.

Did you know there are different types of ice? Professor Christoph Salzmann has discovered three of them, and tells us what makes them unique. Plus dinosaurs, disease, and whether we laugh with an accent. All on this week’s Unexpected Elements.

Presenter: Marnie Chesterton, with Chhavi Sachdev and Tristan Ahtone Producers: Margaret Sessa-Hawkins, with Lucy Davies, Imy Harper and Tim Dodd

Previous episodes

  • 533 - Let the games begin 
    Fri, 06 Feb 2026
  • 532 - Are you still with us? 
    Fri, 30 Jan 2026
  • 531 - Banging the science drum 
    Fri, 23 Jan 2026
  • 530 - Science down under 
    Fri, 16 Jan 2026
  • 529 - Science of the future 
    Fri, 09 Jan 2026
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