Body Clocks, Circadian Rhythms and Time

The Naked Scientists Podcast

Dr Chris Smith

Science Radio, Engineering, Naked Scientists, Natural Sciences, Technology, Life Sciences, Health & Fitness, Medicine, Science

4.6 • 957 Ratings

🗓️ 12 March 2006

⏱️ 57 minutes

🔗️ Recording | iTunes | RSS

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Summary

Time is very much the essence of this weeks show, as Russell Foster discusses the human body clock, where the body clock is and how it gives our bodies a daily rhythm, Karl-Arne Stokkan describes how reindeer body clocks adapt to twenty four hours of sunlight, Alex Webb talks about plant circadian rhythms and how they differ from animals, and Anna Lacey interviews Cynthia Kenyon about how to survive longer and cheat time. Like this podcast? Please help us by supporting the Naked Scientists

Transcript

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0:00.0	Live from the BBC, the naked scientists.
0:08.0	This week the theme is time.
0:10.0	We'll be winding the clocks back 12.8 billion years as researchers give us a glance at one of the
0:16.1	universe's oldest stars, or at least one of the ones that first formed when the universe was
0:20.4	very young, just 800 million years after the Big Bang.
0:23.0	We'll also be jumping aboard Venus Express to take a look at what could be in store for the
0:27.0	Earth in future. Venus has a runaway greenhouse effect and it could give us some clues as to what's
0:31.1	coming to us here on Earth. And in terms of more
0:33.5	contemporary time, the body clock. We'll be looking at the human body clock, the animal body clock,
0:38.0	and also the plant and bacterial body clock, because everything has a body clock. It's set by sunlight.
0:43.8	How does it actually work?
0:44.8	How does it get you up in the morning?
0:46.1	And how does it cause jet lag, insomnia and other problems related there too?
0:50.1	So tonight, very much the science of sleep. If you have any questions related to that,
0:54.3	849-25, 2000's our phone number, or you can email me, Chris at Naked Scientist.
0:59.2	com. Hello, I am Chris Smith. Here to present tonight's program with me is
1:03.2	Dr Cat hello cat hello I'm intrigued to hear about the world's oldest star I think
1:08.1	about 12.8 billion years old it's probably Rod Stewart isn't it Chris I was gonna say
1:12.4	Tina Turner.
1:14.0	Close.
1:15.0	It's pretty close.
1:16.0	We'll be hearing about that.
	...

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