Podcast Episodes
Back to SearchWhy don't more animals have opposable thumbs?
On a recent kayaking trip, CrowdScience listener Lanier sliced through his right thumb, putting it out of action for a while. This made life difficul…
6 months, 4 weeks ago
Can we cancel light waves?
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 …
7 months ago
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…
7 months, 1 week ago
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 tha…
7 months, 2 weeks ago
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 …
7 months, 3 weeks ago
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 r…
8 months ago
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…
8 months, 1 week ago
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 lau…
8 months, 2 weeks ago
The CrowdScience quiz of the year
In 2025, the crack team of intrepid presenters here on CrowdScience have been on some incredible adventures. They’ve wondered whether water is wet, a…
8 months, 3 weeks ago
How do we adapt to the cold?
When some people are wandering around in shorts and a t-shirt, others are wrapped up in warm coats and jumpers. How come our responses to cold weathe…
8 months, 4 weeks ago