No Methane on Mars, Cilantro Cleans Drinking Water, Chemical Weapons
Mars rover Curiosity does not find evidence of methane on Mars. And, how Cilantro provides a cheap way of cleaning drinking water. Plus,
how to get rid of chemical weapons.
Methane could indicate microbial life on Mars, if it is there. But so far, Mars rover Curiosity has not found any evidence for it. Could this mean life has never existed on Mars after all?
Syria has agreed to destroy its chemical weapon stocks, but this is not going to be easy. Dr Joanna Kidd from King's College London, discusses the use of chemical weapons through the ages and Alistair Hay tells us what it may take to clean up Syria鈥檚 chemical weapons.
Deep brain stimulation involves electrically stimulating deep inside the brain using a pacemaker under the skin in the chest. It鈥檚 now used to treat severe, chronic pain, previously untreatable depression and the tremors of Parkinson鈥檚 disease. But how does it work?
(Image: Planet Mars. Credit: J. Gab谩s Esteban)
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Chapters
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Curiosity does not find methane on Mars
Has there not been life on Mars after all?
Duration: 09:50
Cilantro
A cheap way to clean drinking water
Duration: 03:06
Chemical weapons
What will it take to clean up Syria鈥檚 chemical weapons?
Duration: 10:30
Deep Brain Stimulation
Using Deep Brain Stimulation as treatment for chronic pain
Duration: 10:30
Time Perception in small animals
Escape in small animals aided by slowed down perception of time
Duration: 03:47
Weather forecasting app
Smart phone app that can help forecast the weather
Duration: 06:32
Voyager art project
A new message for alien life!
Duration: 05:55
Broadcast
- Sun 22 Sep 2013 14:06GMT大象传媒 World Service Online
Podcast
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