Organic pesticides not always 'greener' choice, study finds
Consumers shouldn't assume that, because a product is organic, it's also environmentally friendly.
Ecology
Jun 22, 2010
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Page 39 - News tagged with miner
NASA wants mission to bring Martian rocks to Earth
(AP) -- For the past decade, NASA's Mars exploration strategy was to follow the water.
Space Exploration
May 18, 2010
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Early Earth absorbed more sunlight -- no extreme greenhouse needed to keep water wet
Four billion years ago, our then stripling sun radiated only 70 to 75 percent as much energy as it does today. Other things on Earth being equal, with so little energy reaching the planet's surface, all water on the planet ...
Earth Sciences
Apr 6, 2010
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A blue mystery: Pale blue on New Kingdom pottery may have come from desert oasis mineral
(PhysOrg.com) -- Jennifer Smith, PhD, associate professor of earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, was belly crawling her way to the end of a long, narrow tunnel carved in ...
Archaeology
Mar 17, 2010
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Mineral studies advance antibacterial alternatives
Alternative approaches to medicine are stock-in-trade in the ASU laboratory of microbiologist Shelley Haydel. So when ASU senior Jenny Koehl joined Haydel's investigative team seeking firsthand knowledge of how basic research ...
Biochemistry
Mar 3, 2010
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Echinoderms contribute to global carbon sink
The impact on levels of carbon dioxide in the Earth's atmosphere by the decaying remains of a group of marine creatures that includes starfish and sea urchin has been significantly underestimated.
Environment
Jan 8, 2010
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Microscopy reveals structure of calcite shells
(PhysOrg.com) -- Lara Estroff and colleagues have taken a deep, detailed look at the way lab-created calcite crystals, similar to those found in nature, grow in tandem with proteins and other large molecules.
Materials Science
Nov 30, 2009
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Rich Ore Deposits Linked to Ancient Atmosphere
(PhysOrg.com) -- Much of our planet's mineral wealth was deposited billions of years ago when Earth's chemical cycles were different from today's. Using geochemical clues from rocks nearly 3 billion years old, a group of ...
Earth Sciences
Nov 19, 2009
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Unique Uranium Source in Naturally Bioreduced Sediment
(PhysOrg.com) -- A recently published Pacific Northwest National Laboratory study of a naturally bioreduced sediment sample from a former uranium mill tailings site reveals insights that enhance understanding of the long-term ...
Environment
Nov 18, 2009
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Fighting climate change by turning CO2 to stone
(PhysOrg.com) -- While politicians debate the best ways to cut global carbon dioxide emissions, researchers at Idaho National Laboratory's Center for Advanced Energy Studies are charging ahead on a strategy to defuse the ...
Environment
Nov 17, 2009
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