Press Trust of India: Scientists have discovered a tiny particle one thirtieth the width of a human hair which they claim plays a key role in pollution and climate change.
Researchers from Harvard University studied atmospheric particles, highly lethal air pollutants which appear everywhere in the atmosphere, but are more common above cities, the Daily Mail reported.
The tiny particles play a key role in air pollution and climate change by providing a surface for chemical reactions and reflecting and absorbing radiation….

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