Despite upgrades to technology and ore management techniques, new and compelling research shows that the combined effects of historic and contemporary emissions are the definitive cause of environmental lead contamination ...
Environment
Jun 17, 2013
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Deciphering the molecular composition of organic aerosols, or OA, in the atmosphere is essential for understanding how these complex aerosols transform and impact the environment and climate forcing. The chemical composition ...
Environment
Jun 17, 2013
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(Phys.org) —NASA aircraft will take to the skies over the southern United States this summer to investigate how air pollution and natural emissions, which are pushed high into the atmosphere by large storms, affect atmospheric ...
Earth Sciences
Jun 7, 2013
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Variations in the ratios of different isotopes of hydrogen and oxygen in water have long been used to trace water cycle processes, and the isotopic composition of water vapor in the atmosphere is known to change with weather ...
Earth Sciences
May 28, 2013
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In the tropics at heights more than 10 miles above the surface, the prevailing winds alternate between strong easterlies and strong westerlies roughly every other year. This slow heartbeat in the tropical upper atmosphere, ...
Earth Sciences
May 22, 2013
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Ocean biology alters the chemical composition of sea spray in ways that influence their ability to form clouds over the ocean. That's the conclusion of a team of scientists using a new approach to study tiny atmospheric particles ...
Earth Sciences
Apr 22, 2013
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(Phys.org) —Until recently, most everyone accepted the conventional wisdom that the moon has virtually no atmosphere. Just as the discovery of water on the moon transformed our textbook knowledge of Earth's nearest celestial ...
Space Exploration
Apr 16, 2013
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The six science instruments that comprise the Particles and Fields Package that will characterize the solar wind and ionosphere of Mars have been integrated aboard NASA's Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft. ...
Space Exploration
Mar 14, 2013
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Levels of carbon dioxide rose hand-in-hand with warming at the end of the last Ice Age, according to a study Thursday that deals a blow to climate skeptics.
Earth Sciences
Feb 28, 2013
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(Phys.org)—ESA's Herschel space observatory has detected a cool layer in the atmosphere of Alpha Centauri A, the first time this has been seen in a star beyond our own Sun. The finding is not only important for understanding ...
Astronomy
Feb 20, 2013
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