Is anything truly random?
We’re delving into the CrowdScience archive to give you another chance to hear an award-winning show from 2025. CrowdScience listener Dorit...
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CrowdScience
We take your questions about life, Earth and the universe to researchers hunting for answers at the frontiers of knowledge.
CrowdScience Podcast Guide
Listen to CrowdScience, a Science & Medicine podcast by BBC. Stream 503 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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Episodes
20 of 503 episodesAre there diseases in space?
Space missions are searching for evidence of extra-terrestrial life. CrowdScience listener George in Kenya wants to know what could be up th...
What are these strange rocks?
CrowdScience listener Liana from Canada got in touch to ask about some very specific rocks she’d seen on an island in Indonesia – jagged, ru...
How did plants evolve to attract insects?
Many plants need pollen from another plant of the same species in order to reproduce, but they don’t have legs so they can’t simply walk aro...
Do animals care about the past?
“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 c...
How does Bluetooth work?
CrowdScience listener Rachel uses Bluetooth headphones on her cycle to work, seamlessly playing music from her phone without using wires. Bu...
Why does paper fold so well?
CrowdScience listener Haruka has been making origami cranes out of paper since she was a child. Creating one out of a cloth napkin, however,...
Do plants have personalities?
CrowdScience listener George is showing Alex Lathbridge around a small, dark, and extremely hot shed, just outside the city of Accra in Ghan...
What's the deal with tongues?
Why is there such a variety of tongues in the animal kingdom? CrowdScience listener Dale has observed that his dog’s tongue is different fro...
Why am I an introvert?
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 s...
Why do we itch?
Why do we feel itchy? So many listeners have emailed in with questions about itchiness, and presenter Anand Jagatia on the case. We explore...
How come sea levels are rising faster in some places than others?
As our oceans warm due to climate change, sea levels are rising. It ought to be straightforward – as water gets warmer, it increases in volu...
Why can't I recognise faces?
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 olde...
Do animals hold funerals?
CrowdScience listeners Dougie and Molly have been wondering what happens to animals when they die, and whether there are animals that hold r...
Why does salt taste so good?
Salt can be found in almost every kitchen in the world. But how did this seemingly simple ingredient become the world's favourite flavour en...
When will the next super-volcano erupt?
Is the world sitting on a ticking time bomb? CrowdScience listener Christel recently watched a documentary about a volcanic eruption in 536...
Will rabbits become super predators?
Listener Bart in Australia sees invasive species in his area almost every day – rabbits, foxes, and cats. They were transplanted to Australi...
Could AI present CrowdScience?
CrowdScience listener Po wants to know whether AI could one day replace all human jobs. And while he requests that CrowdScience continues to...
Can I unlock my car using my head?
CrowdScience listener Doug has been experimenting with holding his wireless garage key to his chin. Why? Because he's testing a strange tric...
Can I really manifest the future?
CrowdScience listener Kassy in India wants to know if there’s any science to support the practice of ‘manifesting’ – the idea that you can m...