News tagged with concentration

Using less fish to test chemicals safety

The JRC has released a new strategy on how to replace, reduce and refine the use of fish in testing of chemicals' effect on flora and fauna in water (aquatic toxicity) and chemicals' uptake and concentration ...

dateJan 22, 2015 in Environment
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Light replaces the needle

One in twelve children are born prematurely in Switzerland. If hypoglycemia develops in these premature babies and persists for over an hour, it can affect brain development. In order to prevent this, the ...

dateJan 21, 2015 in Analytical Chemistry
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Reconstructing the African humid period

During the end of the last ice age, there were dramatic changes in rainfall across a vast swath of Africa. As the world's large ice sheets receded in northern and southern latitudes, rainfall in much of Africa ...

dateDec 05, 2014 in Earth Sciences
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Greenhouse gases linked to African rainfall

Scientists may have solved a long-standing enigma known as the African Humid Period - an intense increase in cumulative rainfall in parts of Africa that began after a long dry spell following the end of the ...

dateDec 04, 2014 in Earth Sciences
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Climate control in termite mounds

When they make their way into homes, some species of termites can be destructive pests. Their fungus-harvesting relatives in Africa and Asia, however, are known for their construction prowess, collectively ...

dateNov 25, 2014 in General Physics
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Biology trumps chemistry in open ocean

Single-cell phytoplankton in the ocean are responsible for roughly half of global oxygen production, despite vast tracts of the open ocean that are devoid of life-sustaining nutrients. While phytoplankton's ...

dateNov 24, 2014 in Earth Sciences
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A closer look at carbon dioxide

A new simulation of carbon dioxide in Earth's atmosphere provides an ultra-high-resolution look at how the key greenhouse gas moves around the globe and fluctuates in volume throughout the year. These three close-up views ...

dateNov 18, 2014 in Environment
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