Scientists discover a way Earth's atmosphere cleans itself
Human activities emit many kinds of pollutants into the air, and without hydroxyl radicals (OH), many of these pollutants would keep aggregating in the atmosphere.
Human activities emit many kinds of pollutants into the air, and without hydroxyl radicals (OH), many of these pollutants would keep aggregating in the atmosphere.
Environment
Apr 7, 2023
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(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's atmosphere, ...
Earth Sciences
May 7, 2009
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New radio images from the Atacama Large Millimeter/submillimeter Array (ALMA) show for the first time the direct effect of volcanic activity on the atmosphere of Jupiter's moon Io.
Space Exploration
Oct 21, 2020
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442
The Department of Energy's Pacific Northwest National Laboratory has developed a reusable organic liquid that can pull harmful gases such as carbon dioxide or sulfur dioxide out of industrial emissions from power plants. ...
Other
Aug 18, 2009
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Scientists have discovered that a tiny, yet plentiful, ocean organism is playing an important role in the regulation of the Earth's climate.
Earth Sciences
May 16, 2016
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(Phys.org)—Sulfur compounds in petroleum fuels have met their nano-structured match. University of Illinois researchers developed mats of metal oxide nanofibers that scrub sulfur from petroleum-based fuels much more effectively ...
Nanomaterials
Dec 17, 2012
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If they wanted to, nations around the world could release globe-cooling aerosols into the atmosphere or undertake other approaches to battle climate change, an authority on environmental law said Monday. He recommended international ...
Environment
Dec 13, 2012
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(Phys.org)—NASA's Mars Curiosity rover has used its full array of instruments to analyze Martian soil for the first time, and found a complex chemistry within the Martian soil. Water and sulfur and chlorine-containing substances, ...
Space Exploration
Dec 3, 2012
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Despite bearing witness to its own increase in Earth's atmosphere by around 2.5 to 2.3 billion years ago, oxygen has had relatively little to say about its own early history until now. A recent EU-funded study provides a ...
Earth Sciences
Nov 1, 2019
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They say variety is the spice of life, and now new discoveries from Johns Hopkins researchers suggest that a certain elemental 'variety'—sulfur—is indeed a 'spice' that can perhaps point to signs of life.
Astronomy
Apr 6, 2020
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