Recent episodes

by Dennis Chung-Yang Huang

Are you wearing blue jeans today? If so, then you’re carrying around one of the most ancient dyes known in human history: indigo.

With its early usage dated back to ...

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by Henrike Lähnemann

by Tim Blackburn

by Dennis Chung-Yang Huang

Are you wearing blue jeans today? If so, then you’re carrying around one of the most ancient dyes known in human history: indigo.

With its ...

by Neil Alford

Noise is the bane of electronic engineers. The microwave technologies that underpin today’s communications infrastructure – from satellite networks to Bluetooth to 4G – are ...

by Matthew Dyson

What do all the electronic gadgets you own have in common? Aside from using electricity, they are always solid, box-like objects, regardless of whether they ...

by Martin Knight

Our bodies are made up of millions of cells. There are tiny, hair-like structures on the majority of these cells, each of which is called ...

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by Mary Wellesley

In 1930, the chief librarian of the Pierpont Morgan Library in New York, Belle da Costa Greene, was approached about a rare medieval panel painting by the Spanish master Jorge Inglés. The painting was to be offered to the Metropolitan Museum of Art’s board of trustees by its purchasing agent, ...

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by Luke Fenton-Glynn

In the cult film Dude, Where’s My Car?, Jesse and Chester wake up in their house, after a night of partying, and are unable to ...

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by Emily Mayhew

Paris, 1917. A neuroscientist, Augusta Dejerine-Klumpke, arrived for work. A wind from the east carried the sound of artillery and gunfire up and down the ...

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by Adam Smith

In December 1955, at the Holt Street Baptist Church, Martin Luther King, Jr., made a speech that he intended, he later said, to “be militant ...

by Heather Graven

In 2016, the atmospheric carbon dioxide or CO2 concentration was 404 parts per million, approximately 40% higher than it was before the start of the ...

by Philip Pogge von Strandmann

When we consider ancient life on Earth, our minds conjure images of plains populated by land animals, like gentle-giant dinosaurs. However, land animals are a ...

by Ian Ashpole

Our atmosphere is dirty. I’m not talking about greenhouse gases — those are a story for another day. I’m talking about tiny particles, just a ...

by Martin Siegert

More than 2300 years ago, in a time when much of the world was unknown to Europeans, Greek philosopher Aristotle hypothesized that a substantial southern ...

by John Mullan

In this podcast, Dickens expert John Mullan takes us on a journey through this great writer's mind, touching on his relationship to London, dreams, Bedlam, and more.

by Katy Clough

For any theoretical physicist, there is a moment when you know you have “made it”, and that moment is when you receive your first letter from someone who claims to ...