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6th Jul 2008
Body Clocks and Circadian Rhythms
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Give yourself the time to listen to this week's Naked Scientists Show, where we find out about the Body Clock! We discover the constant chemical cascade that keeps your clock in check, and how not seeing the sun leads to S.A.D. We probe the plant clock to explore how trees tell the time, and why even plants can suffer from jetlag. Plus, why Stradivarius' violins sound so good, why fun size snacks may be making you fat and how cuttlefish sneak a peak at their future food. Also, in Kitchen Science, Ben and Dave get water from flames!
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News
Scientists have used a CT scanner and a modified version of a computer programme written to diagnose the chest disease emphysema to solve the mystery of why 300 year old Stradivarius and Guaneri violins sound so good. Writing in the journal PLoS ONE, Leiden Univesity researcher Berend Stoel and Arka...
Has anyone ever let their imagination run away with them? For example, we recently had a problem with moths in our house, and for a while afterwards, I was convinced I could see moths everywhere. Luckily, I’m not going mad, as researchers from Vanderbilt University in the US have now proved that wha...
A study on university students given packets of crisps to eat has shown that 'diet packs' of snacks lure lunchers into eating more than they otherwise would. Rik Peters and his colleagues at the University of Tilburg in the Netherlands recruited 140 volunteers to watch TV, and gave them either...
For most animals, life before birth is a dark experience. For example, humans are trapped in the womb for nine months, and even animals and birds that hatch from eggs don’t have much light reaching them. But now new research shows that cuttlefish may not be kept in the dark in the same w...
Kitchen Science
Extract water from a candle using nothing more complex than a pint glass.
QotW
Why do we find it so difficult to remember even our most vivid dreams when we wake up?
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Interviews
If you’ve ever been on a long plane journey, and ended up with jetlag - you’ll know how confused you can feel for a few days afterwards.
So why is it that being in the ‘wrong’ time zone should have such an impact on your body? And is there a way to re-set your body clock so you don’t have to su...
We know our body clocks control when we need to eat, sleep and perform other important functions. But what about plants? Do roses get restless and geraniums get jetlag?
Questions

How does my body know to wake up at my train stop?
I commute to work and travel 40 minutes either way. I tend to sleep as the train motion makes me drowsy. In all this time I’ve only once slept through his stop. Most of the time I wake up just before my stop. Is this in some way linked to my body clock or am I just good at it?
Your show is too short! Why not ask for another hour at least? I tried to e-mail you at the start of your programme but, having real...
- Lynda - 6th Jul 08
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