One promising approach to stabilize uranium contamination in soils is to envelop the radioactive uranium into iron-bearing minerals like hematite. But how well does uranium bind with hematite and for how long? Scientists ...
Environment
Aug 14, 2018
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5
One enigma that has perplexed scientists is how new particles form in the atmosphere. They know how aerosols can grow into sizes large enough to seed cloud droplets, but those same theories fail to explain how the initial ...
Materials Science
Aug 9, 2018
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4
All cloud liquid drops and ice crystals originate on small particles called aerosols. Therefore, clouds can be sensitive – or susceptible – to particle variations in space and time that affect cloud characteristics such ...
Earth Sciences
Jul 16, 2018
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4
Last month a rocket thundered off a NASA launch pad in Virginia, destined for the International Space Station. Nestled among the 7,400 lbs. of supplies was a handful of seeds designed to open new windows into our knowledge ...
Space Exploration
Jul 4, 2018
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16
Cold War plutonium production activities created complex wastes. Vitrifying the waste for final storage is complicated by aluminum from nuclear fuel reprocessing. Knowing how aluminum particles behave in highly radioactive ...
Materials Science
Jun 13, 2018
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3
Engineers have long known water vapor can accelerate corrosion of metals and alloys, but the exact mechanisms remain elusive and therefore difficult to prevent. Now an international research team has peered into the atomic-level ...
Materials Science
May 28, 2018
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6
Due to a scarcity of useful observations to guide model development, Earth system models often miss the mark in predicting tropical clouds and their effects on incoming and outgoing energy in the atmosphere. For most of the ...
Earth Sciences
Apr 30, 2018
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14
Surface mining for rare earth elements used in smartphones and wind turbines is difficult and rarely done in the United States. Scientists wanted to know if they could pull the metals, present at trace levels, from geothermal ...
Nanomaterials
Apr 12, 2018
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7
One of the nation's enduring scientific challenges has been to find effective ways of remediating millions of gallons of chemical and radioactive waste remaining from Cold War activities. Now a team of experts has combed ...
Energy & Green Tech
Apr 10, 2018
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10
For years, scientists have experimented with phages—the viruses that infect bacteria—to learn how they change their host. Because such studies are difficult to accomplish in the wild, most have focused on viruses and ...
Cell & Microbiology
Mar 30, 2018
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