News tagged with concentrations
Ancient plant-fungal partnerships reveal how the world became green
Prehistoric plants grown in state-of-the-art growth chambers recreating environmental conditions from more than 400 million years ago have shown scientists from the University of Sheffield how soil dwelling fungi played a ...
May 15, 2012 |
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Measuring CO2 to fight global warming: Scientists develop way to enforce future greenhouse gas treaty
If the world's nations ever sign a treaty to limit emissions of climate-warming carbon dioxide gas, there may be a way to help verify compliance: a new method developed by scientists from the University of ...
May 14, 2012 |
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From decade to decade: What's the status of our groundwater quality?
There was no change in concentrations of chloride, dissolved solids, or nitrate in groundwater for more than 50 percent of well networks sampled in a new analysis by the USGS that compared samples from 1988-2000 to samples ...
Apr 30, 2012 |
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Trees help you breathe more easily
Research by the University of Birmingham has contributed to The Woodland Trust's new Urban Air Quality report. Published in collaboration with Lancaster University, the report highlights how considered planting of trees and ...
Apr 26, 2012 |
4 / 5 (4) |
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Neighborhoods -- not immigrants -- determining factor for homicides
Public opinion and public policy often assume that immigration is directly related to higher rates of crime, but the social conditions of neighborhoods actually have a more significant effect on violent crimes than immigrant ...
Other Sciences / Social Sciences
Apr 25, 2012 |
5 / 5 (1) |
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Flies process attractive and deterrent odors in different brain areas
In collaboration with colleagues from Portugal and Spain, researchers at the Max Planck Institute for Chemical Ecology in Jena, Germany, have developed an apparatus that automatically applies odors to an airstream, ...
Apr 25, 2012 |
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French group Areva to build big Indian solar power plant
The French energy group Areva said Wednesday that it would build the biggest concentrated solar power installation in Asia for Reliance Power of India.
Technology / Energy & Green Tech
Apr 12, 2012 |
5 / 5 (1) |
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CO2 was hidden in the ocean during the Ice Age: study
Why did the atmosphere contain so little carbon dioxide (CO2) during the last Ice Age 20,000 years ago? Why did it rise when the Earth's climate became warmer? Processes in the ocean are responsible for this, says a new study ...
Space & Earth / Earth Sciences
Mar 29, 2012 |
4.5 / 5 (10) |
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China passes US in smartphone activations: report
China has passed the United States when it comes to how many people are adopting smartphones and tablets powered by Apple or Google software, mobile analytics firm Flurry said Wednesday.
Mar 21, 2012 |
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The oldest evidence of bioturbation on Earth
The Ediacaran Period, an interval in Earth's history after the Snowball Earth glaciations but before the Cambrian radiations, marks the introduction of complex macroscopic organisms synchronously in unrelated groups. It has ...
Space & Earth / Earth Sciences
Mar 20, 2012 |
5 / 5 (2) |
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Prairie restoration also helps restore water quality
U.S. Department of Agriculture (USDA) scientists are studying the overall improvement in water quality when native prairie vegetation is restored to fields once cropped with corn and soybeans. Agricultural ...
Mar 08, 2012 |
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Market exchange rules responsible for wealth concentration
Two Brazilian physicists have shown that wealth concentration invariably stems from a particular type of market exchange rules – where agents cannot receive more income than their own capital. The authors concluded that ...
Mar 07, 2012 |
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Sperm can count
The speed at which the calcium concentration in the cell changes controls the swimming behavior of sperm. They can calculate the calcium dynamics and react accordingly.
Mar 07, 2012 |
4 / 5 (1) |
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In forests, past disturbances obscure warming impacts
Past disturbances, such as logging, can obscure the effects of climate change on forest ecosystems. So reports a study just published in the Proceedings of the National Academy of Sciences. The paper, explor ...
Mar 05, 2012 |
5 / 5 (4) |
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Pa. woman: Chemicals in my water in drilling area
(AP) -- A woman says state environmental officials refused to do follow-up tests after their lab reported her drinking water contained chemicals, but it's unclear where the pollutants came from.
Feb 24, 2012 |
2.3 / 5 (3) |
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