
Insights from recent episode analysis
Audience Interest
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Publishing Consistency
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Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
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Total monthly reach
Estimated from 38 chart positions in 38 markets.
By chart position
- 🇬🇧GB · Science#42100K to 300K
- 🇦🇺AU · Science#5630K to 100K
- 🇨🇦CA · Science#1075K to 30K
- 🇩🇪DE · Science#1365K to 30K
- 🇺🇸US · Science#1785K to 30K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
96K to 334K🎙 Daily cadence·489 episodes·Last published yesterday - Monthly Reach
Unique listeners across all episodes (30 days)
321K to 1.1M🇬🇧27%🇦🇺9%🇯🇵9%+35 more - Active Followers
Loyal subscribers who consistently listen
128K to 445K
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Reach across major podcast platforms, updated hourly
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
From 18 epsHosts
Recent guests
Recent episodes
How does Bluetooth work?
Jun 19, 2026
26m 30s
Why does paper fold so well?
Jun 12, 2026
26m 29s
Do plants have personalities?
Jun 5, 2026
29m 16s
What's the deal with tongues?
May 29, 2026
26m 28s
Why am I an introvert?
May 22, 2026
26m 28s
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 6/19/26 | ![]() How does Bluetooth work? | CrowdScience listener Rachel uses Bluetooth headphones on her cycle to work, seamlessly playing music from her phone without using wires. But how does this technology send information through the air? To find out, Rachel and presenter Caroline Steel travel to Cambridge in the UK to meet telecommunications expert William Webb. He explains what Bluetooth signals actually are – and demonstrates why their properties are linked to the invention of leaky microwave ovens. Caroline speaks to Jaap Haartsen, the inventor of Bluetooth, who reveals the hidden meaning of its logo, and what the name has to do with an ancient Viking king. And she learns how a new flavour of “low energy” Bluetooth is having an unexpected application: helping ecologists like Damien Farine understand animal behaviour. Which leads her to an old tobacco barn in Switzerland, to meet researcher Bettina Almasi and her team – along with some very cute baby barn owls. Presenter: Caroline Steel Producer: Anand Jagatia Editors: Ben Motley & Ilan Goodman(Photo:Composite photo collage of hands hold phone device internet antenna connection technology bluetooth - stock photo- Credit: Deagreez via Getty Images) | 26m 30s | ||||||
| 6/12/26 | ![]() Why does paper fold so well?✨ | origamipaper folding+4 | Dr Steven MannToshiko Kurata+2 | University of ManchesterUniversity of Tokyo+1 | Frogmore | paperfoldability+7 | — | 26m 29s | |
| 6/5/26 | ![]() Do plants have personalities?✨ | plant intelligencemushroom farming+4 | George | PGRRIUniversity of Murcia | GhanaAccra | plantsmushrooms+5 | — | 29m 16s | |
| 5/29/26 | ![]() What's the deal with tongues?✨ | animal tonguesevolution+3 | Kurt SchwenkCallum Ross | BBC World Service | London Zoo | tonguesevolutionary biology+3 | — | 26m 28s | |
| 5/22/26 | ![]() Why am I an introvert?✨ | introversionextroversion+3 | Daniel | University of Ghana Medical school | Accra, Ghana | introvertextrovert+3 | — | 26m 28s | |
| 5/15/26 | ![]() Why do we itch?✨ | itchinessdermatology+3 | Dr Sonja StänderGil Yosipovitch+1 | University of MünsterMiller School of Medicine at University of Miami+1 | — | itchscratching+3 | — | 26m 28s | |
| 5/8/26 | ![]() How come sea levels are rising faster in some places than others?✨ | sea level riseclimate change+4 | James BarandinoCharina Lyn Repollo+2 | University of the Philippines Marine Science InstituteUniversity of Bristol | PhilippinesPalawan Island+2 | sea levelsclimate change+3 | — | 31m 24s | |
| 5/1/26 | ![]() Why can't I recognise faces?✨ | facial recognitionface blindness+4 | Professor Zaira CattaneoProfessor Sarah Bate | CrowdScienceBBC World Service | — | facial recognitionface blindness+4 | — | 26m 28s | |
| 4/24/26 | ![]() Do animals hold funerals?✨ | animal behaviorfunerals+5 | Dr Sarah PerkinsDr Kaeli Swift+2 | Cardiff UniversityUniversity of Washington+1 | Chobe National Park | animal funeralsanimal death+5 | — | 26m 28s | |
| 4/17/26 | ![]() Why does salt taste so good?✨ | salttaste+2 | Daniel BradnerAdriana Cavita+2 | saltCrowdscience+4 | AustriaVienna+3 | culinarytaste receptors+1 | — | 26m 28s | |
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| 4/10/26 | ![]() When will the next super-volcano erupt?✨ | super-volcanovolcanic eruption+3 | Mariton Antonia BornasPaolo Reniva+1 | CrowdSciencePHIVOLCS+4 | SwedenPhilippines+4 | Taal volcanoPHIVOLCS+2 | — | 29m 05s | |
| 4/3/26 | ![]() Will rabbits become super predators?✨ | evolutioninvasive species+1 | Sandy IngelbyJono Thomas+2 | the Australian Museumthe University of Tasmania+1 | AustraliaEurope+1 | Tasmanian Devilmammal collection+2 | — | 26m 28s | |
| 3/27/26 | ![]() Could AI present CrowdScience?✨ | AIjobs+2 | Alex HernProf James Kirby | AI modelssynthetic voices+4 | — | CrowdScienceBBC+2 | — | 26m 29s | |
| 3/20/26 | ![]() Can I unlock my car using my head?✨ | physicswireless technology+1 | Guy VandenboschDr Lina Mohjazi | wireless garage keyCrowdScience+3 | CalgaryAlberta+3 | garage keyantenna+1 | — | 26m 28s | |
| 3/13/26 | ![]() Can I really manifest the future?✨ | manifestingpsychology+2 | Lucas DixonSabina Brennan+1 | Mix and Match Studio | IndiaAustralia+2 | sciencegoals+2 | — | 26m 28s | |
| 3/6/26 | ![]() What keeps the universe in balance?✨ | universebalance+2 | Dr Proven AdzriDr Linus Labik | Ghana Radio Astronomy ObservatoryKwame Nkrumah University of Science and Technology+2 | GhanaAccra | hydrogenhelium+3 | — | 31m 05s | |
| 2/27/26 | ![]() How can we save the Great Barrier Reef?✨ | Great Barrier Reefcoral restoration+2 | — | Sea SimulatorCrowdScience+3 | the Great Barrier ReefAustralia+3 | coral spawningmarine heatwaves+2 | — | 26m 28s | |
| 2/20/26 | ![]() Why don't more animals have opposable thumbs?✨ | evolutionopposable thumbs+2 | Tracy KivellTarryn Williams Clow+3 | Third ThumbCrowdScience+6 | SydneyAustralia | kayakingkoalas+3 | — | 26m 28s | |
| 2/13/26 | ![]() Can we cancel light waves?✨ | light wavesnoise cancelling+3 | Jeremy BaumbergStefan Rotter+1 | noise cancelling headphonesanti-laser+6 | LibyaCambridge+2 | anti-laserlight manipulation+2 | — | 26m 28s | |
| 2/6/26 | ![]() Do multiple choice questions make us biased? | CrowdScience listener Griffith in Ghana, isn’t JUST a CrowdScience listener. He’s also a listener to our sister show on the World Service, Unexpected Elements. But he’s noticed something funny. In the weekly Unexpected Elements multiple-choice quiz, the answer is almost NEVER ‘a’. It’s nearly always ‘b’, or ‘c’. Why is this? When we set the quiz, why are we so reluctant to choose option ‘a’? His question leads presenter Alex Lathbridge on a journey into the murky depths of our brain, where he discovers the cognitive biases which so often trip us up in games of chance, or probability. Your brain might be a marvellous machine when it comes to figuring out how to understand the world, but sometimes, in the name of efficiency, it takes clever little short-cuts to the answer. This pragmatic approach to problem solving helps us manage an incredibly complicated world. But occasionally, especially when it comes to mathematics, chance, and probability, it leads us in the wrong direction. With the help of mathematician Kit Yates from the University of Bath in the UK, and some rather stale sweets, Alex will be finding out how to win at games of chance. Alex also explores the world of gaming, and gambling. Games of chance in which our intuition sometimes lets us down, and makes us choose unwisely. Rachel Croson, Professor of Economics at the University of Minnesota, USA, talks us through how the human brain can work against us. But can knowledge of those human pitfalls help us to win? Alex hears from Maria Konnikova, who turned her research on the psychology of poker into a successful gambling career. Can we really use maths to beat our brains, and learn how to win more often? Presenter Alex Lathbridge Producer Emily KnightEditor Ben Motley(Photo: Close up image of multiple choice question. Credit: BBC) | 29m 01s | ||||||
| 1/30/26 | ![]() Why do I tan more in the US? | CrowdScience listener Namrata and presenter Chhavi Sachdev have something in common. They both get more tanned in the summer in the United States than back home in India. Namrata wants to know why she came back from her run in Boston with such a deep tan and doesn’t have the same experience in India. She’s got quite a few theories herself and wonders if it’s to do with the angle of the sun, pollution or humidity. Chhavi talks to dermatologist Neelam Vashi, who’s based in Boston, to find out how we tan and what protects us from the sun. She meets Julian Groebner at the World Radiation Centre in Switzerland who compares the data in India and the United States for CrowdScience and comes up with a surprising answer. She also talks to Indians in Mumbai who share their attitudes to tanning and what steps they take to protect themselves from the heat of the sun. Presenter Chhavi Sachdev Producer Jo Glanville Editor Ben Motley(Photo: Woman sunbathing on sun lounger by swimming pool. Credit: IndiaPix/Getty Images) | 26m 28s | ||||||
| 1/23/26 | ![]() Do fish know what they look like? | There’s something fishy going on in the Czech Republic, where CrowdScience listener Ian lives. He keeps tropical fish, and he’s noticed that when he adds new ones to his tank, they swim with others of the same breed. He wants to know how they recognise each other. Do they know what they look like, and recognise others that look the same, or is there something else going on?Presenter Anand Jagatia takes a deep breath and dives into the science. At the Blue Reef Aquarium in Portsmouth, Dr Lauren Nadler from the University of Southampton introduces us to some Blue Green Chromis fish to look for clues about how and why they form their large social groups. And we explore the smelly world of fish olfaction with Professor Culum Brown from Macquarie University in Sydney Australia. The mirror test is a classic way of trying to understand whether an animal can recognise itself or not. Professor Alex Jordan from the Max Plank institute in Konstanz, Germany explains how scientists place a visible mark on an animal, show it a mirror, and if the animal tries to rub it off, it suggests that the animal knows it’s seeing itself. A variety of apes, elephants and dolphins have passed with flying colours, but has a fish been able to take on the test? And are there really self-aware shoals drifting through our oceans? Presenter: Anand Jagatia Producer: Emily Bird Editor: Ben Motley(Photo:Familiarity of the two fish. Portrait of a Hemichromis lifalili. Macro- Credit: kozorog via Getty Images) | 26m 28s | ||||||
| 1/16/26 | ![]() Why do I find silence unbearable? | Is silence blood-curdling or blissful? CrowdScience listener Ziqi finds it intolerable and thinks that there’s a good reason for it – silence is so rare in nature that it could be a signal for danger. Presenter Marnie Chesterton is on a mission to test Ziqi’s theory, starting with her own tolerance for silence. She meets acoustic engineer Trevor Cox in the UK to find out whether silence is something we can measure. To do that she steps into an anechoic chamber, a place that’s designed to absorb all sound. In this most silent of silent places, what does silence actually sound like? Marnie also talks to researcher Eric Pfeifer in Germany, who is exploring the impact of spending time in silence and has evidence to suggest that it could be a positive experience. And neuroscientist Marta Moita in Portugal tells Marnie about how rats use silence to detect a threat in their environment. Her discoveries may hold the answer to Ziqi’s question. Presenter Marnie Chesterton Producer Jo Glanville Editor Ben Motley (Photo:Young woman covering ears ignoring loud noise, plugging ears with fingers annoyed by noisy neighbours - stock photo- Credit: Mariia Vitkovska via Getty Images) | 26m 27s | ||||||
| 1/9/26 | ![]() How do cicadas know what season it is? | Crowdscience listener Ryosuke grew up in Japan, and spent his childhood summers catching cicadas in the park. For people in Japan, the sound of their chirping signals the first true summer day. But until they emerge, these enigmatic insects live underground - often for many years. Ryosuke wants to know how they know the time is right, and CrowdScience is on the case. Presenter Anand Jagatia pieces together the story of the species, and meets the small but dedicated group of academics worldwide who’ve been able to study them. In a field near Girona, Spain, he meets a scientist who’s spent the last twenty years counting them. How will a temperature probe help us work out when they might emerge, and what are they doing underground for so many years anyway? In nearby Barcelona, another scientist cuts open the stem of a tomato plant and Anand watches as the sap flows out. Could this be a clue to how cicadas sense what’s going on above ground? And he meets a cicada breeder in the US who has discovered a link between the life cycle of cicadas and the fruiting of a peach tree. Armed with that knowledge, can you really make time move faster for tree and insect alike? Presenter: Anand Jagatia Producer: Robbie Wojciechowski Editor: Ben Motley(Photo:Cicada on Hosta Leaf - stock photo Credit: KenWiedemann via Getty Images) | 26m 29s | ||||||
| 1/5/26 | ![]() Did I inherit my laugh? | CrowdScience listener Limbikani in Zambia is always being told he has his Dad’s laugh, so he set us the challenge of trying to find out whether a laugh can be passed down in our genes or if it’s something we learn from our environment. Presenter Caroline Steel steps into the world of one of the world’s greatest laughter experts, Professor Sophie Scott, neuroscientist at University College London. In her office stuffed with memorabilia of a life filled with fun, they discuss how the shape of our bodies could play a role in how we laugh. Also joining the fun is Dr Gil Greengross, evolutionary psychologist at Aberystwyth University in Wales, UK. Gil tells us how Charles Darwin was the first person to question how laughter evolved. Caroline also speaks to Dr Nancy Segal, Professor of Developmental Psychology and Director of the Twin Studies Center at California State University, Fullerton. Nancy is an expert in studies that demonstrate the role of nature vs nurture in how who we are and how we behave. She tells the story of the ‘Giggle Twins’, who were separated at birth but found they laughed identically when they met three decades later. So does that mean that we really do inherit our laughs from our parents? Presenter: Caroline Steel Producer: Tom Bonnett Editor: Ben Motley Credit: The sound of rats laughing (slowed down so that our ears can detect the ultrasound) is courtesy of Dr. Jaak Panksepp(Photo: Father and son on yellow background- stock photo Credit: Georgijevic via Getty Images) | 26m 28s | ||||||
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Chart Positions
38 placements across 38 markets.
Chart Positions
38 placements across 38 markets.
