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Science in Action

BBC World Service

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The latest science research and news stories from all over the world.

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Appalling Mongolian Air Pollution

March 10th, 2016

Episode 83 of 125 episodes

Fast growing cities like Beijing, New Delhi and Ulan Bator suffer from increasing air pollution – with ever larger numbers of motor vehicles and developing industries, the smog often clouds the air and causes health problems. Ulan Bator faces a special challenge because the winters are exceptionally cold. Many people in Mongolia’s capital city live in traditional yurts that are heated with coal fires. Temperatures down to -40 degrees Celsius keep the smoke from the fires from dispersing. Dr Purevdorj Olkhanud, from the Mongolian National University of Medical Sciences, travels back and forth between the US and Mongolia, where he gathers data on air quality in Ulan Bator to improve the public health situation. Senegal Science Meeting The Next Einstein Forum is underway in Senegal, aiming to encourage more women into science across Africa. Julian Siddle reports from Dakar. Slithering Snakes For the first time scientists in the US have monitored how snakes move. They’ve found that they have a specific stereotyped waveform movement across sand. Johnathan Webb has been to investigate. Exomars to Launch Europe and Russia are going back to Mars. Final preparations are underway for the ExoMars launch on Monday from Baikonur. Jonathan Amos speaks to Exomars project Scientist Dr. Jorge Vago about the mission. (Photo: Smoke rising from a smokestack above the smog over the capital Ulan Bator, Mongolia Byambasuren Byamba-Ochir/AFP/Getty Images)

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