Conversations with interesting people about the stuff they love.

Jefferson Graham is a Los Angeles writer, photographer, the host of the PhotowalksTV travel series on YouTube, Amazon and Roku channel, a former Usa Today, columnist and host of the podcast the iPhone photo show. Replays of the old Talking Tech podcast are featured here.

Desert Island Discs Archive: 1951-1955
Castaways choose eight records, a book and a luxury to take with them to the mythical desert island. Full listings can be found on the Desert Island Discs website.

Dr Chris Smith aka The Naked Scientist with the latest news from the world of science and Dr Karl answers listeners' science questions on Radio 5 live's Up All Night programme.

Throughout the week BBC World Service offers a wide range of documentaries and other factual programmes. This podcast offers you the chance to access landmark series from our archive.

How Dangerous

Dick and Dom explore the surprising science that can be found around us. With the help of some young volunteers, they meet scientists who show them a selection of hands-on experiments - which you can try out for yourself at home - revealing new facts about everything from remote controls to bicycle brakes.

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