News tagged with nitrate concentrations
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Replicating Climate Change to Forecast its Effects
Dec 17, 2009 |
2.5 / 5 (4) |
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(PhysOrg.com) -- Agricultural Research Service (ARS) scientists are replicating the effects of climate change to see what the future holds for soybeans, wheat and the soils where they grow.
Researchers revise long-held theory of fruit-fly development
Dec 17, 2009 |
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For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
New report underlines multiple benefits but also new challenges to biodiversity-rich sites
Dec 17, 2009 |
5 / 5 (1) |
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An agreement in Copenhagen to fund reduced emissions from deforestation may generate multiple environmental and economic benefits if investments simultaneously target sites that are both carbon and biodiversity-rich.
Looking for the heartbeat of cellular networks
Dec 16, 2009 |
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Our cells' molecules form an intricate network of interactions. Today's techniques, however, can only be used to measure individual molecular reactions outside the cells. Since molecular concentrations are much higher in ...
New research may help to clean drainage from abandoned mines
Dec 16, 2009 |
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(PhysOrg.com) -- In a quiet green glen near Ashville, Pa., lies a rust-colored pond. A deep, rectangular hole in the ground, it somewhat resembles an Olympic-sized pool. Few people, however, would make the ...
Higher levels of protein hormone associated with lower risk of dementia, Alzheimer's disease
Dec 15, 2009 |
5 / 5 (1) |
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Persons with higher levels of leptin, a protein hormone produced by fat cells and involved in the regulation of appetite, may have an associated reduced incidence of Alzheimer disease and dementia, according to a study in ...
From greenhouse to icehouse -- reconstructing the environment of the Voring Plateau
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.1 / 5 (7) |
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The analysis of microfossils found in ocean sediment cores is illuminating the environmental conditions that prevailed at high latitudes during a critical period of Earth history.
Rare earth metal enhances phosphate glass
Dec 15, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Adding cerium oxide to phosphate glass rather than the commonly used silicate glass may make glasses that block ultraviolet light and have increased radiation damage resistance while remaining colorless, ...
Valuable, rare, raw earth materials extracted from industrial waste stream
Dec 15, 2009 |
4.4 / 5 (7) |
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Fierce competition over raw materials for new green technologies could become a thing of the past, thanks to a discovery by scientists from the University of Leeds.
Hypoxia increases as climate warms
Space & Earth / Earth Sciences
Dec 15, 2009 |
4.3 / 5 (6) |
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A new study of Pacific Ocean sediments off the coast of Chile has found that offshore waters experienced systematic oxygen depletion during the rapid warming of the Antarctic following the last "glacial maximum" period 20,000 ...
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