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Unexpected Elements

Podcast 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...

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  • Navigating northward
    The Aurora Borealis – also known as the Northern Lights – won’t be at their peak activity much longer, and the Unexpected Elements team dreams of going north to see them. And that has got us looking at the science of navigating our way north! We hear about how humans have been using the sky to navigate for millennia, and we learn about how relying on GPS may be impacting our memory ability. And while humans use maps to get around, how do animals know where to go on their long migrations? To find the answer, we speak to Dr Kayla Goforth at Texas A&M University who studies exactly how sea turtles and monarch butterflies innately know how to navigate the world around them. We also learn why polar bears keep themselves ice-free, and we hear old records of the first men to reach the North Pole. All that, plus many more Unexpected Elements. Presenter: Caroline Steel, with Andrada Fiscutean and Phillys Mwatee Producer: Imaan Moin, with Alice Lipscombe-Southwell, Noa Dowling and William Hornbrook
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  • Oh, Rats!
    On World Rat Day, we’re getting ratty! We look at the biology behind the eternal struggle between rats and rat poison, and we hear about rat-on-rat warfare and other forms of pest control. We don’t play games when it comes to rats, but we know someone who does. Dr Michael Brecht from the Humboldt University of Berlin tells us how he played hide-and-seek with lab rats and what that tells us about the behaviour of play. On the topic of ‘rat’ behaviour, we are joined by Dr Zach Berry from the University of Southern California to talk about the psychology behind ratting people out in the workplace, testing the loyalty and morals of the Unexpected Elements team. And speaking of rats in the workplace… we hear a first-hand report on whether African giant pouched rats might just be better staff members than humans when it comes to detecting tuberculosis at APOPO labs. All that, plus many more Unexpected Elements. Presenter: Anand Jagatia, with Tristan Ahtone and Christine Yohannes Producer: Imaan Moin, with Debbie Kilbride, Alice Lipscombe-Southwell, Noa Dowling, Harrison Lewis and Sophie Ormiston. Studio Manager: Cath McGhee
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  • Don’t be a fool!
    April 1st is notorious across the globe. Renowned for being a day of practical jokes. And it’s no different here on the BBC World Service. Mischievous elephants, the secret to fool's gold and one of the biggest scientific hoaxes in scientific history. From the Magic Circle to the Magic Lab, the psychology underpinning why we humans are so delightfully easy to trick with Professor Gustav Kuhn. And a question sent in from one of you: if two people eat the same thing for breakfast, does the same thing come out the other end of both of them? Prepare for a prank or two on Unexpected Elements. Or as they say in Finland, ‘Aprillia, syö silliä, juo kuravettä päälle’, which translates to ‘April trick, eat herring, drink muddy water afterwards!’ Presenters: Caroline Steel with Camilla Mota and Phillys Mwatee Producers: Harrison Lewis, Alice Lipscombe-Southwell, William Hornbrook and Imaan Moin
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  • What’s that smell?
    Five years ago, people around the world were enduring COVID lockdowns as we attempted to prevent the spread of the virus. Today, many of those who caught COVID-19 are still suffering from lingering symptoms, including a loss of their sense of smell. And that got the Unexpected Elements team thinking about all things olfactory. First up, hold your noses as we investigate the two chemicals that make up the scent of death. Next, are you prone to telling lies? Well, research suggests that your nose might give you away!We then turn our attention to the cinema to find out more about the chemicals you release during a scary film. We’re also joined by chemist Professor Matija Strlic, who reveals how he can detect aromas in ancient Egyptian mummies and – crucially – tells us why he wants to do this. That, plus many more Unexpected Elements. Presenters: Marnie Chesterton, with Kai Kupferschmidt and Affelia Wibisono Producers: Alice Lipscombe-Southwell, with William Hornbrook, Debbie Kilbride, Imaan Moin and Noa Dowling
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  • The fast and the curious
    It’s the month of Ramadan, when Muslims across the world fast between dawn and sunset in the belief that it will bring them closer to Allah. And this has inspired the Unexpected Elements team to turn their attention to all things fast.First, we explore the latest research around intermittent fasting.Next, we contemplate a new way to relax by harnessing the time-distorting power of black holes.We then find out why deserts in South Africa are spreading at an alarming rate.Plus, we’re joined by Dr Claire Lee, a particle physicist who works with the Large Hadron Collider at CERN. She explains how she and her colleagues accelerate particles to phenomenal speeds, how they detect these particles when they collide, and what this can tell us about the origins of the universe.That, plus many more Unexpected Elements. Presenters: Marnie Chesterton, with Tristan Ahtone and Leonie Joubert. Producers: William Hornbrook, with Alice Lipscombe-Southwell, Harrison Lewis, Debbie Kilbride and Noa Dowling.
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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.
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