Researchers have discovered a high concentration of bacteria in the center of hailstones, suggesting that airborne microorganisms may be responsible for that and other weather events. They report their findings today at ...
Cell & Microbiology
May 24, 2011
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Dust storms are not only a nuisance for anyone trying to keep their house spick and span, they also pose a very real health hazard and are a major ecological concern. Respiratory problems caused by breathing in dust and other ...
Earth Sciences
Jun 16, 2023
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Over the southeast Atlantic Ocean, a 2,000-mile-long plume of smoke from African agricultural fires meets a near-permanent cloud bank offshore. Their meeting makes a natural laboratory for studying the interactions between ...
Earth Sciences
Oct 15, 2018
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Turns out, polluted air from San Francisco is not the culprit. It's a thermal trough pushing north from Arizona. In a surprise result, scientists found that this weather pattern significantly affects the chemistry of fog ...
Earth Sciences
Jun 3, 2011
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Scientists have known for decades that black carbon aerosols add to global warming. These airborne particles made of sooty carbon are believed to be among the largest man-made contributors to global warming because they absorb ...
Earth Sciences
Apr 14, 2011
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(PhysOrg.com) -- Rising temperatures from climate change will increase ozone levels in California’s major air basins, according to a new report to the California Air Resources Board from scientists at UC Davis and UC Berkeley.
Environment
Jul 23, 2010
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(AP) -- NASA is set to launch its latest Earth-orbiting satellite on a $424 million mission to analyze airborne grit spewed by volcanoes, forest fires, smokestacks and tailpipes.
Space Exploration
Feb 21, 2011
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Scientists recently combined experimental approaches and molecular dynamics modeling to gain new insights into the internal structure of sea salt particles and relate it to their fundamental chemical reactivity in the atmosphere. ...
Materials Science
Aug 2, 2011
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Pine trees are one of the biggest contributors to air pollution. They give off gases that react with airborne chemicals – many of which are produced by human activity – creating tiny, invisible particles that muddy ...
Earth Sciences
Aug 9, 2012
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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 ...
Earth Sciences
May 2, 2016
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