All Podcasts

Discover why Earth is warming up, how greenhouse gases work like a giant blanket, and what we can all do to help protect our amazing planet.

Explore famous paradoxes and thought experiments that show how infinity can trick even the cleverest minds.

Discover how steam trains transformed Britain, from George Stephenson's first locomotives to the railway mania that connected the entire country.

Discover the weird, wonderful and brilliantly intelligent world of the octopus, from blue blood and three hearts to daring aquarium escapes.

Polly and Trevor explore how trees make wood, from tiny seeds to mighty oaks, and discover why this amazing material is all around us every day.

Discover the surprising history of why we spring forward and fall back, from a bug-collecting postman to wartime energy saving and modern debates.

Discover how polar bears survive in the freezing Arctic, from their amazing adaptations to their tiny cubs, and why these incredible ice giants need our help.

Discover the Shahada, the first and most important Pillar of Islam, and learn how one powerful sentence connects nearly two billion Muslims around the world.

Join Polly and Trevor as they explore the incredible creatures that survive in the coldest place on Earth, from waddling penguins to enormous blue whales.

Discover how Queen Elizabeth I and her brave sailors defeated the mighty Spanish Armada in 1588, changing the course of history forever.

Discover why scientists have never measured the one-way speed of light and why this mind-bending puzzle remains unsolved.

Discover the mighty Norse gods Odin, Thor and Loki, and learn how Viking beliefs shaped history and still influence our world today.