![Personal Device to Monitor Air Pollution](https://eng-archive.aawsat.com/wp-content/uploads/2017/10/air-pollution.jpg)
Media ID: 55384372
Caption:
Media ID: 55380234
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Caption:
A chimney is seen in front of residential buildings during a
polluted day in Harbin, Heilongjiang Province, China, January 21,
2016. REUTERS One researcher says that air pollution levels in China
may have peaked.
![Personal Device to Monitor Air Pollution](https://eng-archive.aawsat.com/wp-content/uploads/2017/10/air-pollution.jpg)
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![Science Fiction Movies Inspire Development of Medical Technologies](https://eng-archive.aawsat.com/wp-content/uploads/2017/08/h-1.jpg)