A cleansing rain falls; a soil-filled mist arises Richland WA (SPX) May 06, 2016 - Most of us think of that sweet smell after a storm as the aftereffect of rain that has rinsed the air of pollutants and dust. But it turns out that rain also triggers the release of a mist of particles from wet soils into the air, a finding with consequences of its own for how scientists model our planet's climate and future. The evidence comes in the form of tiny glassy spheres, less than ... more

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