Tiny particles of matter called quantum dots, which emit light with exceptionally pure and bright colors, have found a prominent role as biological markers. In addition, they are realizing their potential in computer and ...
Nanophysics
Jun 3, 2013
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Research by a Victoria University student shows that particulate matter from wood burning fires is a winter health hazard in New Zealand.
Environment
May 7, 2013
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University of Manchester scientists, writing in the journal Nature Geoscience, have shown that natural emissions and manmade pollutants can both have an unexpected cooling effect on the world's climate by making clouds brighter.
Earth Sciences
May 5, 2013
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As temperatures warm, plants release gases that help form clouds and cool the atmosphere, according to research from IIASA and the University of Helsinki. The new study, published in Nature Geoscience, identified a negative ...
Environment
Apr 28, 2013
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It's easy to visualize particles and gases from vehicle exhaust or burning trash wafting into the atmosphere. It's harder to envision similar gases and minute particles emitted from trees and plants in the forest. What these ...
Earth Sciences
Apr 23, 2013
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(Phys.org) —Blazars are the brightest of active galactic nuclei, and many emit very high-energy gamma rays. New observations of the blazar known as PKS 1424+240 show that it is the most distant known source of very high-energy ...
Astronomy
Apr 18, 2013
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China will more than double the number of cities covered by air quality monitoring, a top environment official said Friday, as part of efforts to tackle heavy smog that has sparked huge public anger.
Environment
Mar 15, 2013
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A team led by the University of Colorado Boulder looking for clues about why Earth did not warm as much as scientists expected between 2000 and 2010 now thinks the culprits are hiding in plain sight—dozens of volcanoes ...
Earth Sciences
Mar 1, 2013
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Solar geoengineering is a proposed approach to reduce the effects of climate change due to greenhouse gasses by deflecting some of the sun's incoming radiation. This type of proposed solution carries with it a number of uncertainties, ...
Environment
Feb 21, 2013
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(Phys.org)—Scientists at the University of California, Davis, have, for the first time, developed a system that can determine which types of air particles that pollute the atmosphere are the most prevalent and most toxic.
Environment
Feb 20, 2013
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