Are humans naturally clean and tidy?

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 California in the USA, thinks differently. He’s wondering how dangerous they might be.Shooting stars are actually meteors, ending their ...  Show more

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 problem. She wants the tiles in her new bathroom to be arranged randomly but, no matter what she does, it still looks like they form s ...  Show more

There is more waste in the world today than at any time in history, and the responsibility for keeping the environment clean too often falls on individuals instead of manufacturers. But, why us? And why this feeling of responsibility? This week, how one organization changed the A ...  Show more

Trash. Garbage. Refuse. Waste. Call it whatever you like, this is the stuff we deal with everyday that we no longer want in our lives. It’s not that it has no value; it actually has negative value. That’s why we’re getting rid of it! And apart from remembering when to drag out th ...  Show more

Rummage & waste: Laurie Taylor talks to Emily Cockayne, Senior Lecturer in Early Modern History at the University of East Anglia, about the overlooked story of our throwaway past, from ladies of the First World War who turned dog hair into yarn to Girl Guides inspired to collect ...  Show more

Flushing the toilet: an act that most of us carelessly perform several times a day, but that for 4.2 billion people in the world is still a luxury. Kim Chakanetsa talks to two pioneering engineers about the crucial role wastewater management plays in society, including how sew ...