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. Dr Chris Smith broadcast on Mondays at 1:30am and Dr Karl broadcast live on Thursdays at 3am.
Episodes available:
Indefinitely 
Thu, 20 Jun 13
Duration:
48 mins
What jabs would you have to have to travel back to the 17th century, does your body get bigger at night and do you get total darkness in the UK summer?
Mon, 17 Jun 13
Duration:
26 mins
Dr Chris Smith and the Naked Scientists look at what might have caused the "Tunguska Fireball" in 1908, the use of bacteria to repair crumbling concrete and the effect of tobacco advertising on teens.
Thu, 13 Jun 13
Duration:
49 mins
Tom Green and our listeners ask Dr Karl why the earth's getting lighter if tens of thousands of meteor dust is landing every year, plus why do different materials feel as though they're at different temperatures while in the same room.
Mon, 10 Jun 13
Duration:
25 mins
Dr Chris Smith and the Naked Scientists discuss comfort eating, what happened when a comet collided with the Sun, and why boys' names and girls' names tend to sound different in a very particular way.
Thu, 6 Jun 13
Duration:
50 mins
Dr Phil joins dr Karl to discuss how alcohol makes us drunk, why looking through a pinhole sharpens poor vision and weighing planets.
Mon, 3 Jun 13
Duration:
26 mins
Dr Chris Smith and the Naked Scientists discuss a new way to block flu infection, treating schizophrenia with an avatar, bringing 400 year-old plants back to life, and how much radiation a person on a mission to Mars would be exposed to.
Thu, 30 May 13
Duration:
49 mins
Dr Karl joins Dominic to discuss why not to shop hungry, why we itch and whether acupuncture is no better than the placebo effect.
Mon, 27 May 13
Duration:
26 mins
Dr Chris Smith and the Naked Scientists explore how specimens of potato leaves kept in museums for over 150 years have enabled scientists to discover the identity of the bug that caused the Irish Potato Famine. We'll also hear why penguins can't fly and how researchers have discovered the nerve cells that make us itch!
Mon, 20 May 13
Duration:
26 mins
Using X rays to read the unreadable; solar-powered butterflies – and why selfishness gave farming a boost 10,000 years ago.
Thu, 16 May 13
Duration:
50 mins
Dr Karl joins Rhod to discuss solar flares, methods for dealing with tinnitus, and the extremes of pleasure that music can stimulate
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Inspirational walks around the UK countryside with Clare Balding. Clare is joined by guests on a walk that’s significant in their lives.
Thu, 13 Jun 13
24 minutes
All rural life is here: daily news of food, farming, the countryside and the environment with analysis and context from the BBC's experts in the field. Presented by Anna Hill and Charlotte Smith,…
1 hour ago
14 minutes
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