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CrowdScience CrowdScience BBC World Service Blurry Creatures Blurry Creatures Blurry Creatures The Real Truth About Health Free 17 Day Live Online Conference Podcast The Real Truth About Health Free 17 Day Live Online Conference Podcast Lloyd Burrell, Keith Block M.D., Jeffrey Smith, Michael Klaper M.D., Ralph Moss, Brenda Davis R.D., Mark Sloan, Gerald Posner, Ian Harris M.D., Neil Barnard M.D., Will Tuttle Ph.D., John McDougall M.D., Pam Popper Ph.D., Gabriel Cousens M.D., Brian Clement Ph.D., Anna Maria Clement Ph.D., Marianne Williamson, Vandana Shiva Ph.D., Aly Cohen M.D., Milton Mills M.D., Theodora Scarato, William Li M.D., David Katz M.D., Stephanie Seneff Ph.D., Julieanna Hever M.S., Dale Bredesen M.D., Hope Bohanec, Kim Williams M.D., Joel Kahn M.D., Michelle Perro M.D., David Wolfe, Melanie Joy Ph.D., Sunil Pai M.D., Baxter Montgomery M.D., Michael Greger M.D., Caldwell Esselstyn M.D., Joel Fuhrman M.D., Colin Campbell Ph.D. Thrilling Threads - Conspiracy Theories, Strange Phenomena, True Crime, Unsolved Mysteries, etc! Thrilling Threads - Conspiracy Theories, Strange Phenomena, True Crime, Unsolved Mysteries, etc! Byte & Pieces Reptile Fight Club Reptile Fight Club MPR Network The Gestalt Gardener The Gestalt Gardener MPB Think Radio Mises Media Mises Media Mises Institute R Weekly Highlights R Weekly Highlights Eric Nantz The Science Show The Science Show ABC Australia Fox Weather Update Fox Weather Update Fox Weather San Antonio Weather Daily San Antonio Weather Daily Fast Foundations Houston Weather Daily Houston Weather Daily Fast Foundations The Why Files: Operation Podcast The Why Files: Operation Podcast The Why Files Dark Mysteries — Unsolved Mysteries. Forgotten Secrets. Unanswered Questions. Dark Mysteries — Unsolved Mysteries. Forgotten Secrets. Unanswered Questions. Darkest Mysteries Online Cose Molto Umane di Gianpiero Kesten Cose Molto Umane di Gianpiero Kesten Gianpiero Kesten - Vois Nathy Peluso Report Nathy Peluso Report Anna Taylor Pasture to Profit Podcast Pasture to Profit Podcast scottstinnett Geek News Central Podcast Geek News Central Podcast Todd Cochrane TED-Ed TED-Ed TED-Ed BBC Gardeners’ World Magazine Podcast BBC Gardeners’ World Magazine Podcast Immediate Media Gut Feelings - by The Crohn's & Colitis Dietitians Gut Feelings - by The Crohn's & Colitis Dietitians The Crohn's & Colitis Dietitians True Weird Stuff True Weird Stuff Now! Media Cyphers Edge Cyphers Edge J.J.Brandis Innovating Cannabis Podcast Innovating Cannabis Podcast The Mary Jane Society Unexplained Inc. Unexplained Inc. Phantom Phil The Holders The Holders Be Afraid Retro Radio: Old Time Radio in the Dark Retro Radio: Old Time Radio in the Dark Darren Marlar What in the world is dyscalculia? What in the world is dyscalculia? Dr. Honora Wall, Ed.D. PBS Space Time PBS Space Time PBS Almanacco del giorno Almanacco del giorno Streammo Weekly Weather Brief Weekly Weather Brief Emily and Kerrin The Automated Daily - Space News Edition The Automated Daily - Space News Edition TrendTeller The Arora #CanPassWillPass Podcast The Arora #CanPassWillPass Podcast Dr Aman Arora Átomos y Bits Átomos y Bits Agencia EFE geister - der philosophie-podcast geister - der philosophie-podcast Christian Eichler Cattle Chat Cattle Chat BCI Cattle Chat Radiolab Radiolab WNYC Studios
CrowdScience

Science

CrowdScience

BBC World Service

Do animals care about the past?

June 26, 2026 2:55pm 26 min

“What separates humans from animals, is an interest in the past”. That’s a 900-year-old quote from a textbook that Nigerian listener Taiwo came across, and he wrote to CrowdScience to ask if modern science would agree. M...

How does Bluetooth work?

June 19, 2026 2:55pm 26 min

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...

Why does paper fold so well?

June 12, 2026 2:55pm 26 min

CrowdScience listener Haruka has been making origami cranes out of paper since she was a child. Creating one out of a cloth napkin, however, was a next-level challenge. It gave her a new appreciation of paper’s excellent...

Do plants have personalities?

June 05, 2026 2:55pm 29 min

CrowdScience listener George is showing Alex Lathbridge around a small, dark, and extremely hot shed, just outside the city of Accra in Ghana. Inside are row after row of shelves, stacked high with bulging grow-bags. And...

What's the deal with tongues?

May 29, 2026 2:55pm 26 min

Why is there such a variety of tongues in the animal kingdom? CrowdScience listener Dale has observed that his dog’s tongue is different from his and so is his cat’s.  He’d like to know the reason. Caroline Steel visits ...

Why am I an introvert?

May 22, 2026 2:55pm 26 min

CrowdScience listener Daniel in Accra, Ghana is an introvert. Or at least, he thinks he is. And he’s worried that his preference for quiet spaces and lower social interaction might be holding him back in life. But what i...

Why do we itch?

May 15, 2026 2:57pm 26 min

Why do we feel itchy? So many listeners have emailed in with questions about itchiness, and presenter Anand Jagatia on the case. We explore why we itch, the different types of itch, the different causes, and why scratch...

How come sea levels are rising faster in some places than others?

May 08, 2026 2:57pm 31 min

As our oceans warm due to climate change, sea levels are rising. It ought to be straightforward – as water gets warmer, it increases in volume. All the world’s oceans are connected, so how come sea levels are rising at d...

Why can't I recognise faces?

May 01, 2026 2:57pm 26 min

CrowdScience listener Jeroen finds it hard to remember people's faces - and he wants to know why. He wonders if it's to do with getting older and if there’s any way of improving. Presenter Caroline Steel has the same pro...

Do animals hold funerals?

April 24, 2026 2:57pm 26 min

CrowdScience listeners Dougie and Molly have been wondering what happens to animals when they die, and whether there are animals that hold rituals to mark the passing of one of their kin. Presenter Caroline Steel is on t...

Why does salt taste so good?

April 17, 2026 2:57pm 26 min

Salt can be found in almost every kitchen in the world. But how did this seemingly simple ingredient become the world's favourite flavour enhancer? This week, Crowdscience sets out to uncover why these tiny crystals have...

When will the next super-volcano erupt?

April 10, 2026 2:57pm 29 min

Is the world sitting on a ticking time bomb? CrowdScience listener Christel recently watched a documentary about a volcanic eruption in 536 AD that left her native Sweden under a cloud of ash for three years. It got her ...

Will rabbits become super predators?

April 03, 2026 2:57pm 26 min

Listener Bart in Australia sees invasive species in his area almost every day – rabbits, foxes, and cats. They were transplanted to Australia from Europe more than 100 years ago, but seem to be thriving in their new home...

Could AI present CrowdScience?

March 27, 2026 3:57pm 26 min

CrowdScience listener Po wants to know whether AI could one day replace all human jobs. And while he requests that CrowdScience continues to be hosted by people, it made presenters Caroline Steel and Anand Jagatia wonder...

Can I unlock my car using my head?

March 20, 2026 3:57pm 26 min

CrowdScience listener Doug has been experimenting with holding his wireless garage key to his chin. Why? Because he's testing a strange trick of physics. The range of a key can apparently double when held against your ...

Can I really manifest the future?

March 13, 2026 3:57pm 26 min

CrowdScience listener Kassy in India wants to know if there’s any science to support the practice of ‘manifesting’ – the idea that you can make your wishes come true just by writing down your goals and sending your dream...

What keeps the universe in balance?

March 06, 2026 2:57pm 31 min

CrowdScience listener Ndanusa in Ghana, is gazing up at the stars, and wondering. Big philosophical questions, like… what keeps our universe in balance? From our perspective here on earth, the universe seems like a vast,...

How can we save the Great Barrier Reef?

February 27, 2026 2:57pm 26 min

Australia’s Great Barrier Reef is one of the richest and most complex natural ecosystems on earth, and it’s home to over 600 species of coral – marine animals that are most closely related to jellyfish. But the coral is...

Why don't more animals have opposable thumbs?

February 20, 2026 2:57pm 26 min

On a recent kayaking trip, CrowdScience listener Lanier sliced through his right thumb, putting it out of action for a while. This made life difficult, as he couldn’t button his shirt, tie his shoelaces or type efficient...

Can we cancel light waves?

February 13, 2026 2:57pm 26 min

Noise cancelling headphones filter out sound waves that we don’t want to hear. Listener Ahmed in Libya loves wearing his and, as he was listening to them, he had a thought: ‘Could we cancel out light waves in a similar w...

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