Near Earth's north and south poles, wispy, iridescent clouds often shimmer high in the summertime sky around dusk and dawn. These night-shining, or noctilucent, clouds are sometimes spotted farther from the poles as well, ...
Planetary Sciences
Jul 22, 2022
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They may be tiny, but they pose a global problem for humans and the environment: microplastic particles. These are plastic particles with a diameter between one micron and five millimeters. Their accurate analysis is an enormous ...
Environment
Jun 8, 2022
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They are everywhere: in riverbanks, on glaciers, in deserts, in fish populations, even in the air we breathe. And these are just a few of the places where scientists have found microplastics, plastic debris roughly the size ...
Environment
Apr 26, 2022
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An international team of scientists conducted CALISHTO, a large-scale air measurement campaign in Greece last fall, with the goal of surveying, counting and characterizing the tiny particles and their impact on cloud formation. ...
Environment
Feb 11, 2022
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Microplastics are released into the environment by cosmetics, clothing, and industrial processes or from larger plastic products as they break down naturally.
General Physics
Nov 30, 2021
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When wildfires burn, they catapult smoke into the atmosphere. These plumes are loaded with tiny particles that act as magnets for water droplets sitting in clouds—the more smoky particles ejected into the sky, the more ...
Earth Sciences
Aug 16, 2021
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407
Sustainable fuel blends used by aircraft may help reduce the impact of aviation on climate warming by producing less contrail cloud, concludes a study published in Communications Earth & Environment. The findings suggest ...
Environment
Jun 18, 2021
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The discovery and use of clays dates back to 30,000 years ago, making clays one of the oldest materials used in society. Clays are naturally occurring materials that were first used to make pottery and are now used abundantly ...
Materials Science
May 21, 2021
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Microplastics have reached the farthest corners of the Earth, including remote fjords and even the Mariana Trench, one of the deepest parts of the ocean. Recently, yet another distant area of our planet has been found to ...
Environment
Apr 2, 2021
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216
In order to enable large-scale hydrogen production using solar energy, particulate photocatalysts are being researched as a simple and cost-effective solution to splitting water into hydrogen and oxygen. It is necessary to ...
Materials Science
Mar 30, 2021
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