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Unexpected Elements: Daily Summaries Delivered
by 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.
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- Today51 min
Science bears fruit
Long live the king – of mangoes! In India the famed ‘king of mangoes’, the Alphonso mango, is in drastically short supply after a particularly bad bout of adverse weather. Inspired by the mango’s plight, the Unexpected Elements team takes a look at what fruit science can bear.First, from the ‘king of mangoes’ to the ‘king of fruits’, we hear how the infamously stinky durian could be used to charge your phone. Then, an evil lemon planet. We discuss the planet so bizarre it sounds like it belongs in a sci-fi movie.Plus, have you ever wondered what the key to immortality is? Well, if you guessed sea cucumbers you might be right. We’re joined by Dr Annie Mercier who tells us all about these eternal weirdos of the sea and their surprisingly vital role in the ocean’s ecosystem.Also, a crayfish invasion, plant cause of death, and what exactly is El Niño? All that, plus many more Unexpected Elements.Presenter: Marnie Chesterton, with Sandy Ong and Michael Kaloki Producers: Sophie Ormiston, with Lucy Davies, Alice Lipscombe-Southwell and Robbie
- 1 weeks ago49 min
Celebrating science on Africa Day
How do you translate the latest science work across the 2000 different languages spoken around the African continent? And have you heard of sky mountain? Africa Day has the Unexpected Elements team taking a deep dive into a range of unexpected stories from across the continent.The day is celebrated every year to mark the establishment of the African Union in 1963. In the Turkana region of northern Kenya, we learn about a team of geologists who have been studying continental break-up. Researchers think it could be one of the weakest areas of the Earth’s crust. We explore the difficult process of translating scientific papers into the many languages spoken across the continent.Plus, entomologist Dr Gimo Daniel tells us about the unexpected joys of dung beetles. And we learn how AI and large language models are finding new ways to track conservation and mass animal migrations. And finally, we explore why bats harbour so many diseases yet seem to be tolerant to things that humans get ill from.Presenter: Marnie Chesterton, with Tristan Ahtone in Finland and Phillys Mwatee in Kenya Producer: Margaret Sessa-Hawkins, Alice Lipscombe-Southwell and Robbie Wojciechowski
- 2 weeks ago49 min
Unexpected enhancements
Have you ever wondered what happen to salmon when too much cocaine seeps into their rivers? Inspired by the Enhanced Games, we lookat unexpected areas of performance enhancement. Peptides are making a splash in influencer circles, but what is the science?Plus, we hear from Prof David Putrino, who is making sure the athletes at the Enhanced Games are staying safe. He shares what we can learn from the Games – and how the data could help develop future medicines. Also on the show, whether radio waves can enhance your sense of smell, and is an hour at a gallery as beneficial as an hour at the gym?Presenter: Marnie Chesterton, with Katie Silver and Andrada Fiscutean Producer: Sophie Ormiston, with Margaret Sessa-Hawkins, Robbie Wojciechowski and Scarlett Victoria
- 3 weeks ago49 min
Hantavirus outbreak and what’s in a name
An outbreak of hantavirus on the MV Hondius cruise ship has us looking at the unexpected science around the disease. First up, why is this outbreak such an unusual occurrence? Then, what's in a name? We look at how diseases are named, and why the system has sometimes been problematic. Also, the mysterious case of medicine disappearing from the quarantine tanks at an aquarium. We speak to the expert who solved the puzzle. All that, plus more fun and strange science, on this week's Unexpected Elements.Presenters: Alex Lathbridge, with Camilla Mota and Kai Kupferschmidt Producers: Margaret Sessa-Hawkins, with Alice Lipscombe-Southwell, Robbie Wojciechowski and Scarlett Victoria
- 4 weeks ago49 min
100 years of Sir David Attenborough
Sir David Attenborough is arguably the world’s favourite broadcaster, and this week he’s blowing out the candles on his 100th birthday cake. Inspired by his significant birthday, we decided to uncover the biology behind centenarians. What are Sir David’s secrets?Speaking of ageing, we then find out about a little jellyfish that never gets old. Could it help us unlock immortality?Next up, climb aboard as we chat with Dr Nadine Johnston, a marine ecologist who works on the iconic Sir David Attenborough research vessel, as she tells us about the tiny Antarctic animals that could lock up more carbon than the Amazon rainforest.We then find out about improved landslide prediction in Nepal and how the world has changed in Sir David’s life.All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Chhavi Sachdev and Tristan Ahtone Producers: Alice Lipscombe-Southwell, with Ella Hubber and Robbie Wojciechowski
- May 1, 202649 min
The soaring price of condoms
The blockade on the strait of Hormuz has led to an unexpected consequence – condom prices are set to increase by up to 30 percent! This has us delving into all things contraception, starting with koala hormone implants, the lengthy process of providing birth control to elephants, and a microplastics mystery.Then, we investigate the elusive male contraceptive – why is it taking so long to develop, and why has it been so hard to approve? Professor John Amory Md, from UW Medical Centre in Seattle, joins us to explain the past, present and future of this medical research.Plus, how have Chinese researchers cracked the code on eel breeding, and does the moon’s gravity make us lighter at night?Presenter: Marnie Chesterton, with Leonie Joubert and Sandy Ong Producer: Ella Hubber, with Alice Lipscombe Southwell, Robbie Wojciechowski and Georgia Christie
- Apr 24, 202649 min
Chernobyl: 40 years later
On 26th April 1986, Reactor 4 at the Chernobyl nuclear power plant in Ukraine exploded, releasing vast amounts of radiation. Now, 40 years later, it remains the worst nuclear accident in history. Using the Chernobyl anniversary as a starting point, this week the Unexpected Elements team find out about the weird life thriving at the site of the nuclear reactor. Next up, we discover how radioactive isotopes can help doctors diagnose cancer.We then turn our attention to ‘gamma gardens’, which were developed by scientists in the 1950s and 1960s to investigate the impacts of radiation on plants. Professor Helen Anne Curry, from the Georgia Institute of Technology, joins us to reveal more. All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Andrada Fiscutean and Dr Emmanuel Samani Producers: Alice Lipscombe-Southwell, with Margaret Sessa Hawkins and Georgia Christie
- Apr 17, 202649 min
The ribbiting science of frogs
In 2025, Russian-born scientist Kseniia Petrova picked up some spliced frog embryos from a laboratory in France and brought them back to the USA to aid her research into ageing and cancer. She was detained by the United States Immigration and Customs Enforcement (ICE), charged with smuggling and had her visa revoked. Now though, a judge has ruled that the scientist’s visa was wrongly cancelled.Inspired by this story, the Unexpected Elements team find out how embryos and sperm behave in space. Next, we discover that embryos can regenerate limbs, and new research could help us unlock those skills as adults. We also reveal the unexpected link between frogs and pregnancy tests, and find out about a devastating fungus that’s wreaking havoc on amphibians. And don't miss probiotics for coral reefs, dessert stomachs and the weird physics of time. All that, plus many more Unexpected Elements. Presenter: Marnie Chesterton, with Katie Silver and Camilla Mota Producers: Alice Lipscombe-Southwell, with Ella Hubber and Georgia Christie
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About Unexpected Elements
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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