News tagged with mercury level
Nasa finds sea ice decline driving rise in Arctic air pollutants
(PhysOrg.com) -- Drastic reductions in Arctic sea ice in the last decade may be intensifying the chemical release of bromine into the atmosphere, resulting in ground-level ozone depletion and the deposit of ...
Space & Earth / Earth Sciences
Mar 02, 2012 |
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Using air pollution thresholds to protect and restore ecosystem health
Air pollution is changing our environment and undermining many benefits we rely on from wild lands, threatening water purity, food production, and climate stability, according to a team of scientists writing in the 14th edition ...
Nov 14, 2011 |
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Mercury pollution in the Great Lakes region -- nearly forgotten, but not gone
The scope and intensity of mercury pollution in the Great Lakes region is much greater than previously reported, but additional mercury controls should bring needed improvement, according to a new summary of scientific research ...
Oct 11, 2011 |
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Old specimens, fresh answers: Research charts mercury rise in endangered albatrosses
Research conducted by a Harvard undergraduate has traced the rise of mercury pollution in endangered seabirds and highlighted the importance of museum collections as a time capsule concerning conditions on ...
May 13, 2011 |
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Study warns of mercury in Arctic
Global mercury emissions could grow by 25 percent by 2020 if no action is taken to control them, posing a threat to polar bears, whales and seals and the Arctic communities who hunt those animals for food, ...
May 05, 2011 |
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New type of nuclear fission discovered
(PhysOrg.com) -- Nuclear fission, or the splitting of a heavy nucleus, usually results in symmetrical fragments of the same mass. Physicists attribute the few known examples of fission that is asymmetric to ...
Dec 06, 2010 |
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Study: Fish near coal-fired power plants have lower levels of mercury
A new study from North Carolina State University finds that fish located near coal-fired power plants have lower levels of mercury than fish that live much further away. The surprising finding appears to be ...
Oct 06, 2010 |
4 / 5 (4) |
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Why mercury is more dangerous in oceans
Even though freshwater concentrations of mercury are far greater than those found in seawater, it's the saltwater fish like tuna, mackerel and shark that end up posing a more serious health threat to humans ...
Space & Earth / Earth Sciences
Jun 27, 2010 |
5 / 5 (8) |
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Mercury high in Japanese town that hunts dolphins
(AP) -- Residents of the dolphin-hunting village depicted in the Oscar-winning documentary "The Cove" have dangerously high mercury levels, likely because of their fondness for dolphin and whale meat, Japan's ...
May 09, 2010 |
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Mercury is higher in some tuna species, according to DNA barcoding
New research showing that that mercury levels are higher in some species of tuna could help consumers minimize their consumption of the silvery metal in their sushi and provide a powerful new tool for regulatory ...
Apr 21, 2010 |
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High levels of mercury found in Cataraqui River: Queen's study
The Inner Harbour on the Cataraqui River in Kingston, Ont., has mercury levels in sediment more than two times the Canadian government's most severe effect limits, according to a Queen's University study.
Mar 17, 2010 |
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Study finds mercury levels in children with autism and those developing typically are the same
In a large population-based study published online today, researchers at the UC Davis MIND Institute report that after adjusting for a number of factors, typically developing children and children with autism have similar ...
Oct 19, 2009 |
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Oceanographers examine mercury levels of pelagic fish in Hawaii
In the open ocean, species of large predatory fish will swim and hunt for food at various depths, which leads to unique diets in these fish. Oceanographers and geologists in the School of Ocean and Earth Science ...
Sep 01, 2009 |
4.5 / 5 (4) |
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Summer is here and the mercury is rising… literally
Hot town, summer in the city. When it comes to air-quality advisories, city residents are no strangers, especially during the dog days of summer. But smog is made up of an array of air pollutants, including ...
Jul 15, 2009 |
4 / 5 (3) |
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Mercury levels in Arctic seals may be linked to global warming
Researchers in Canada are reporting for the first time that high mercury levels in certain Arctic seals appear to be linked to vanishing sea ice caused by global warming. Their study, a new insight into the ...
Apr 29, 2009 |
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