Brine water that flows back from gas wells in the Marcellus Shale region after hydraulic fracturing is many times more salty than seawater, with high contents of various elements, including radium and barium. The chemistry ...
Earth Sciences
Dec 18, 2012
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With both x-ray and gamma-ray spectrometers, the MErcury Surface, Space ENvironment, GEochemistry and Ranging probe (MESSENGER), which entered orbit around Mercury in 2011, is well equipped for carrying out a detailed compositional ...
Space Exploration
Jan 29, 2013
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As carbon dioxide levels in the atmosphere rise, policy makers and scientists are looking at new ways to tackle the problems associated with the greenhouse gas.
Environment
Jun 16, 2010
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While most of us are focused on life above ground, scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are trying to understand the drama unfolding beneath our feet.
Environment
Mar 19, 2010
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Groundwater in aquifers on the East Coast and in the Central U.S. has the highest risk of contamination from radium, a naturally occurring radioactive element and known carcinogen.
Environment
Feb 15, 2012
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For the first time, an international team of researchers has incorporated extensive geochemical data on the formation of Earth into a model - with surprising results: more models can be used for the process of Earth’s accretion ...
Earth Sciences
Jun 3, 2010
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Three elements commonly found at elevated levels in an Appalachian river polluted by runoff from mountaintop coal mining have distinctive chemistries that can be traced back to their source, according to a Duke University-led ...
Environment
Aug 15, 2013
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Engineers working on NASA's Dawn spacecraft are assessing the status of a reaction wheel -- part of a system that helps the spacecraft point precisely -- after onboard software powered it off on Aug. 8. Dawn's mission is ...
Space Exploration
Aug 14, 2012
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Cobalt deposits in one of Earth's largest cobalt-mining regions are 150 million years younger than previously thought, according to a new study by University of Alberta geologists.
Earth Sciences
Nov 21, 2018
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Roughly 22 million years ago, at the onset of the Miocene, the Tibetan Plateau started to lift upward. The rising land curbed the flow of moist air from the south, sparking the onset of central Asian desertification. Or, ...
Earth Sciences
Apr 23, 2012
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