CrowdScience Episodes Episode guide
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15/05/2026 GMT
Answering your questions about life, Earth and the universe
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How are sea levels rising faster in some places?
Answering your questions about life, Earth and the universe
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CrowdScience
Answering your questions about life, Earth and the universe
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Do animals hold funerals?
Answering your questions about life, Earth and the universe
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Why is salt so delicious?
Answering your questions about life, Earth and the universe
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When will the next super-volcano erupt?
If a supervolcano erupts, will we get a warning?
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Will rabbits become super predators?
How do invasive species evolve?
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Could AI present CrowdScience?
AI is predicted to replace some human jobs 鈥� could it host this show?
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Can I unlock my car using my head?
Wireless keys work better if you press them against your skull. But why?
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Can I really manifest the future?
Can manifesting make your dreams come true?
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What keeps the universe in balance?
What keeps the stars burning? And is the universe in balance?
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How can we save the Great Barrier Reef?
Coral is under threat from climate change 鈥� can these Australian scientists save it?
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Why don't more animals have opposable thumbs?
Thumbs are incredibly useful to humans, so why didn鈥檛 they evolve in more species?
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Can we cancel light waves?
Noise cancelling headphones remove unwanted sound. Can we do the same with light?
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Do multiple choice questions make us biased?
CrowdScience listener Griffith asks why a multiple choice quiz answer is rarely 鈥榓鈥�.
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Why do I tan more in the US?
Namrata tans more in Boston than in India, and she wants to know why
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Do fish know what they look like?
Are there self-aware shoals of fish drifting through our oceans?
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Why do I find silence unbearable?
Silence is either blood-curdling or blissful 鈥� but is it a sign of danger?
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How do cicadas know what season it is?
How do these enigmatic insects know that the time is right to emerge into the light?
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Did I inherit my laugh?
Can a laugh be passed down between generations? Caroline Steel has a giggle finding out.
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The CrowdScience quiz of the year
The best of CrowdScience from 2025
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How do we adapt to the cold?
Why do people react so differently to cold weather?
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Can you play the guitar underwater?
We explore underwater acoustics in search of a new music sensation
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Can we turn deserts green?
How desalination, fog capture and towing icebergs could bring water to the driest places
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How big is a rainbow?
Are all rainbows the same size or are some larger than others?
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Why do we cry?
Only humans cry emotional tears, whether it鈥檚 tears of sadness or tears of joy. But why?
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Do tsunamis affect marine life?
Tsunamis cause huge destruction on land, but what鈥檚 it like for life under the waves?
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Are near-death experiences real?
Are near-death experiences visions of an afterlife?
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Why do people love horror films?
The scary science and terrifying truths behind people's love of horror films
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Should we help maggots and caterpillars?
How do we learn to love the unsung insects that do so much good in gardens and farms
