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.

Don't Log Off

Alan Dein discovers the real life stories behind online profiles via Facebook and Skype. Alan locks himself away for a week to talk to people on the internet. He starts with nothing, just an online profile which says 'talk to me'. The results are intriguing, funny and often very moving.

Walking Through Landscape

Take a walk through Scotland's most intriguing landscapes. With Iain Stewart.


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