Unexpected Elements

Unexpected Elements

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- BBC World Service

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Episodes: 295
Meðal lengd: 51Mín.
Tungumál: enska
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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.

Episodes

The strongest stuff in the UniverseEgyptian strongman Ashraf Mahrous recently pulled two ships totalling 1,150 tonnes with his teeth, setting his sights on the Guinness World Record. Inspired by this story, this week we’re tackling the science of all things strong. First, we find out about new research that could keep our muscles strong as we age. Next up, we discover why graphene is so strong and how it could help improve data storage. We're then joined down the line by Dr Matt Caplan, an astrophysicist from Illinois State University, who tells us about his search for a weird substance called ‘nuclear pasta’. And no, you won’t find it in your local Italian restaurant. Plus, find out how robo-exoskeletons can help you climb hills and why Ernest Shackleton’s Endurance was weaker than expected. All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Kai Kupferschmidt and Andrada Fiscutean Producers: Alice Lipscombe-Southwell, with Robbie Wojciechowski and Lucy Davies
295
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51Mín.
Science inspired by Taylor SwiftThe launch of Taylor Swift’s much-anticipated 12th studio album, The Life of a Showgirl, has inspired this week’s episode of Unexpected Elements. First up, we hear how a Brazilian songbird courts its mate as part of a boyband. We then find out about the microbes that dance to survive in their extreme habitat. Next up, Professor Troy Magney, a forest ecophysiologist at the University of Montana, tells us about his TSWIFT machine and how it can assess the health of the planet’s forests. Also in the programme, we find out why migratory birds trick weather data, how fish sing, and how hackers used SWIFT bank payments to nearly pull off a billion-dollar heist. All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Camilla Mota and Godfred Boafo Producers: Imaan Moin and Alice Lipscombe-Southwell, with Robbie Wojciechowski and Lucy Davies
294
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51Mín.
Two-hundred years of trainsThis week marks 200 years since the first steam train pulled passengers over 26 miles of north-east England’s countryside, and started a revolution. Jump on board for show filled with train tales. We explore Mumbai’s lunch delivery system – train based, of course, which has the sort of error rate that delivery firms arounds the world can only dream of. We ask what it takes to run a railway on time, and look at how the bullet train changed Japan, with history professor Jessamyn Abel. Presenter: Marnie Chesterton Producers: Margaret Sessa-Hawkins with Alice Lipscombe-Southwell, Robbie Wojciechowski, Lucy Davies
293
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49Mín.
Pirate science ahoy!For International Talk Like a Pirate Day on 19th September, we dig up a treasure chest full of pirate-inspired science. First up, we peer down our microscopes at a bacterium that takes its inspiration from a pirate warship. Next, we turn our attention to scurvy, the disease that plagued mariners and is now making a comeback in the modern age. We then get on the line with marine archaeologist Dr Sean Kingsley, who is about to set sail on a mission to survey the unexplored wrecks of Nassau. Plus, we delve into the tricky topic of modern-day piracy and copyright, before testing our pirate knowledge in a swashbuckling quiz. All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Kai Kupferschmidt and Sandy Ong Producers: Alice Lipscombe-Southwell and Margaret Sessa Hawkins, with Robbie Wojciechowski and Imaan Moin
292
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51Mín.
Some dam awesome scienceThe inauguration of Africa’s largest hydroelectric dam has us looking at how we decide when, where, and even whether to build dams. But humans aren’t the only ones building dams – Loren Taylor of the Beaver Institute joins us to talk all about nature’s hydroengineers and the wide-spread benefits beavers (and their dams!) have on ecosystems. Also on the program, how close are we to clean energy from space, the science behind holding your breath for a really, really, really, REALLY long time, and how natural sounds can be turned into musical instruments. All that, plus more unexpected elements. Presenter: Alex Lathbridge with Andrada Fiscutean and Katie Silver Producers: Margaret Sessa-Hawkins, Alice Lipscombe-Southwell and Robbie Wojciechowski.
291
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51Mín.
Punk rock scienceA dinosaur with metre-long spikes has been discovered. The species, Spicomellus afer, is from the Jurassic Period and is the oldest example of a group of animals called ankylosaurs. The scientists behind the research have dubbed the new dinosaur the ‘punk rock dinosaur’, which led the Unexpected Elements team to go out searching for the science on all things punk, rock, and heavy metal. First up, we find out what other punks might be lurking in the fossil record. And meet a pair of unconventional molluscs. Next up on the set list, we investigate the physics underpinning mosh pits and the implications this could have for crowd control. We speak with Anirudh Patel, an astrophysicist from Columbia University, who is scouring deep space to find out more about the origins of heavy metals. And we dig into the unexpected link between water pipes and IQ. All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Camilla Mota and Meral Jamal Producers: Alice Lipscombe-Southwell, with Lucy Davies and Robbie Wojciechowski
290
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50Mín.
Where do beaches come from?It’s August, and in the northern hemisphere, many people are hitting the beach to escape the summer heat. And that inspired us to investigate bucketloads of beach-based science. First up, we find out about the forces that build and shape the seaside. Next, we discover that the waves from the Hunga Tonga-Hunga Ha’apai eruption reached the atmosphere. Speaking of waves, we’re joined by Dr Edward Hurme from the Max Planck Institute of Animal Behaviour, who tells us about his research into surfing bats. And why are beaches disappearing? All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Tristan Ahtone and Phillys Mwatee Producers: Alice Lipscombe-Southwell, with Imaan Moin, Robbie Wojciechowski and Lucy Davies
289
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51Mín.
Mountains of overtourismAs Nepal makes 97 peaks free to climb, we look at the science of overtourism – especially on mountains. How do so many visitors affect these environments, and what can be done? Plus, are mountains carbon sources, or carbon sinks? And why do we feel the drive to summit these peaks anyway? A psychologist specialising in thrill-seeking explains. Also on the show, we take your questions, read out your comments, and look at what it takes to physically measure the height of a peak like Everest. All that, plus many more Unexpected Elements. Presenter: Caroline Steel, with Chhavi Sachdev and Leonie Joubert Producers: Margaret Sessa Hawkins, with Alice Lipscombe-Southwell, Imaan Moin and Lucy Davies
288
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49Mín.
Why do we follow trends?What's got rabbit-like ears, huge eyes, nine teeth and a demonic grin? It’s Labubu! These ugly-cute toys have gone viral online, largely thanks to social media’s trending machine. Their fame was previously limited to China and parts of Asia, but since 2024 their popularity has grown and the dolls can now be purchased in more than 30 countries round the world. This week, the global demand for Labubu inspired us to play around with trend-based science. First up, we hear how the special sauce behind TikTok’s algorithm helps drive viral trends. Next, we find out that humans are not the only ones that love a fad – chimpanzees are susceptible to them too! We then discover what connects the hugely popular Beanie Baby toys of the 1990s with modern CubeSat exploration, thanks to aerospace engineer Professor James Cutler, from the University of Michigan. Plus, we discuss a weird object thousands of light-years away that could lead to new physics. And why do we find songs annoying after multiple listens? All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Godfred Boafo and Edd Gent Producers: Alice Lipscombe-Southwell, with Imaan Moin, Lucy Davies and Margaret Sessa Hawkins
287
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53Mín.
Floods, mangroves and rampaging tractorsThis week, floods have hit the global headlines. First up, we delve into the various reasons why floods form. After learning about the causes of floods, we discover a nature-based solution in the form of mangrove forests. Laura Michie from the Mangrove Action Project tells us why these ecosystems are important, and how they can protect coastal zones. We also find out that humans have moved so much water around the planet that we’ve shifted the location of the geographic North Pole. Plus, a rare flooding event is currently taking place in the Australian Outback, awakening an ecosystem after years of dormancy. And what could happen when hackers take control of tractors? All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Andrada Fiscutean and Sandy Ong Producers: Alice Lipscombe-Southwell, with Lucy Davies, Debbie Kilbride and Margaret Sessa Hawkins
286
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51Mín.

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