Podcast Episodes

How many dead people are on the internet?

CrowdScience listener Devin in Canada has just had a baby. Worried that all the good email addresses might be taken by the time his child needs one, …

15 hours ago

Can my veggie sausages save the world?

CrowdScience listener Lisa, who is from South Africa but now lives in the UK, has been a vegetarian for many years. Sometimes though, she still finds…

1 week ago

Why do I love rollercoasters?

Your heart pounds, your chest tightens, your stomach drops and your legs feel weak and shaky. Your palms are sweating and a tingling rush spreads thr…

2 weeks ago

How do electric fish make electricity?

Some fish can deliver electric shocks with four times the voltage of the electricity in your plug sockets at home . Crowdscience listener Mouhammed i…

2 weeks, 3 days ago

Why am I warm blooded?

CrowdScience listener Matt wants to know why he's warm blooded. He started thinking about this when he was watching some ants during the recent heatw…

4 weeks ago

Why can't I concentrate?

Why is it hard to concentrate, and why does it feel like such hard work? The CrowdScience inbox is full of questions like that, so for this show we’r…

1 month ago

Why is TB still killing people?

Tuberculosis kills more than a million people every year. It’s the world’s leading cause of death from a single infectious agent. This is despite the…

1 month, 1 week ago

Will I get hit by a meteor?

Stare up at the night sky, and if you’re lucky, you might see a shooting star. Some people might make a wish, but CrowdScience listener Scott in Cali…

1 month, 2 weeks ago

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 has a pro…

1 month, 3 weeks ago

Are 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 there, and …

2 months ago