Rainstorms whip up airborne dust problem
12 May 2016

By TIM RADFORD | Researchers have identified an unexpected generator of the fine organic dust that blows in the wind. They blame it on raindrops.
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Splashes from raindrops are an unexpected source of fine soil particles in the atmosphere | Elvis Payne |
Researchers from two national laboratories in the US, and colleagues, report in Nature Geoscience journal that tiny, glassy spheres of carbon-based materialfound in the air are the residue from rain spattering on the soil.
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