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Unexpected Elements

Factual: Science & Nature

Factual: Science & Nature: Science & Technology

The news you know, the science you don’t.

The news you know, the science you don’t. Unexpected Elements looks beyond everyday narratives to discover a goldmine of scientific stories and connections from around the globe. From Afronauts, to why we argue, to a deep dive on animal lifespans: see the world in a new way.

The Science Hour

Unexpected Elements: No Methane on Mars, Cilantro Cleans Drinking Water, Chemical Weapons

Mars

21/09/2013

No Methane on Mars, Cilantro Cleans Drinking Water, Chemical Weapons

BBC World Service - Unexpected Elements, No Methane on Mars, Cilantro Cleans Drinking Water, Chemical Weapons

Mars rover Curiosity records no evidence of methane on Mars. Is there no life on Mars?

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’s chemical weapons.

Deep brain stimulation involves electrically stimulating deep inside the brain using a pacemaker under the skin in the chest. It’s now used to treat severe, chronic pain, previously untreatable depression and the tremors of Parkinson’s disease. But how does it work?

(Image: Planet Mars. Credit: J. Gabás Esteban)

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Unexpected Elements

No Methane on Mars, Cilantro Cleans Drinking Water, Chemical Weapons

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