Podcast Episodes

How Many People Can Earth Support?

Our planet is getting rather cosy. In just over 200 years, the global population has grown from 1 billion to almost 7.5 billion – and the best estima…

9 years, 1 month ago

Space Mining

Mining asteroids, moons or even other planets has remained firmly within the realm of science fiction. But as certain elements become increasingly sc…

9 years, 1 month ago

Should we eat Insects?

For most people the idea of chewing on a caterpillar or tucking into a tarantula is pretty unpalatable. Yet according to the United Nations, some two…

9 years, 1 month ago

Why Do We Have So Many Accents?

Why do we have so many accents - even when we’re speaking the same language? What's happening in our brains and mouths to make us sound so different …

9 years, 1 month ago

Does Weather Affect our Health?

Do your joints ache when it's raining? Are you blighted with headaches when the wind picks up? If the answer’s yes then you're definitely not alone. …

9 years, 2 months ago

Science at the Movies

Can we really live on Mars? Or exist in a virtual world? And why does movie science sometimes have us shouting at the screen? Our panel of scientists…

9 years, 2 months ago

Is Being Fat a Choice?

The human race is getting fatter. But is it our fault? There are a whole host of factors influencing our weight - how many of them can we control?

Cro…

9 years, 2 months ago

Can Trees Help us Fight Air Pollution?

Trees take in carbon dioxide but they also convert some of the toxic gases in our air. How much help can trees give us in fighting air pollution and …

9 years, 2 months ago

Could a Robot be your Doctor?

Our listener Joseph’s question might sound more sci-fi than science show. But as Marnie Chesterton discovers, robots have already entered the realm o…

9 years, 3 months ago

Why are Cats Loners?

A few weeks ago, CrowdScience asked if it pays to be nice. We found that the answer is yes – if you’re a human. But if being social is so great, why…

9 years, 3 months ago