Naked Scientists Podcast

Naked Scientists episode

Sun, 20th Feb 2011

Checking the Atmosphere and Changing the Climate

Contrails (c) U.S. Air Force

We look to the skies in this week's Naked Scientists show, to uncover ways to monitor and change the chemistry of the atmosphere.  We join researchers on board an air-sampling aeroplane to discover how atmospheric chemistry changes once the sun sets, and we discuss options for engineering the climate if things get too hot.  In the news, the Ecuadorian population that may hold the genetic key to a disease-free life, and the rocks that move themselves around in Death Valley.  Plus, a targeted muscle re-innervation strategy to afford amputees more powerful prosthetic control.

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In this edition of Naked Scientists

Full Transcript

  • 08:06 - Targeted Muscle Re-Innervation Pushes Prosthetic Performance

    When someone loses a limb, although it's possible to replace the missing part with a prosthesis, making it move is another matter entirely. But a technique being pioneered at the University of Chicago could change that...

  • 14:23 - Black Bears may send us to the Stars

    Alaskan black bears do not hibernate in the same way as other, smaller, mammals and an understanding of how they achieve their winter’s rest may help improve medical care and open the door to deep space travel...

  • 17:26 - Mysterious death valley moving rocks

    Mysterious moving stones in a Death Vally lake bed may have been solved.

  • 19:40 - Planet Earth Online - Bryozoans and Antarctic History

    Scientists are keeping a close eye on the West Antarctic ice sheet because if it’s melts, we’re in big trouble from the resulting rise in sea level. But how vulnerable is it? Dr. David Barnes from the British Antarctic Survey has been trying to find out by studying small marin...

  • 24:39 - Sampling the Atmosphere and Tracking Pollution - the RONOCO Campaign

    How do we study the atmosphere? We have a vast array of tools and chemical tricks that we can rely on, but the atmosphere is a very dynamic thing. So sampling the air in just one place can only tell us so much. Now, an international consortium of scientists and organisations ...

  • 35:24 - Geoengineering - How We Could Change the Climate

    Another reason to try and understand atmospheric chemistry is in case there comes a time when we have to try and do some geo-engineering. Dr Peter Braesicke joins us to explain our options...



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