High levels of molecular chlorine found in Arctic atmosphere
(Phys.org) —Scientists studying the atmosphere above Barrow, Alaska, have discovered unprecedented levels of molecular chlorine in the air, a new study reports.
(Phys.org) —Scientists studying the atmosphere above Barrow, Alaska, have discovered unprecedented levels of molecular chlorine in the air, a new study reports.
Earth Sciences
Jan 13, 2014
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A Duke University-led study has found dangerously high levels of mercury and its more toxic chemical cousin, methylmercury, in soils, sediments and rivers near artisanal gold mines in the West African nation of Senegal.
Environment
Feb 9, 2018
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Around 2010, the deep waters of Utah's Great Salt Lake contained high levels of toxic methylmercury. Mercury measurements in waterfowl surrounding the lake led to a rare human consumption advisory for ducks.
Environment
Apr 25, 2017
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An analysis of long-term trends in the amount of mercury in rainfall and other forms of precipitation in North America found recent increases at many sites, mostly in the center of the continent. At other sites, including ...
Environment
Jan 27, 2016
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The day before the child's death was not a pleasant one, because it was not a sudden injury that killed the 10-13 year old child who was buried in the medieval town of Ribe in Denmark 800 years ago. The day before death was ...
Archaeology
Aug 9, 2013
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(Phys.org) -- Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north ...
Earth Sciences
May 21, 2012
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Humans pump thousands of tons of vapor from the metallic element mercury into the atmosphere each year, and it can remain suspended for long periods before being changed into a form that is easily removed from the atmosphere.
Environment
Dec 18, 2011
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How many times have you taken a selfie and posted it instantly to your favourite social media channel? The Mercury Transfer Module of the BepiColombo spacecraft, currently en route to Mercury, is equipped with three 'selfie-cams' ...
Space Exploration
Jun 17, 2019
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Tasmania's bushfires may have resulted in the release of significant amounts of mercury from burnt trees into the atmosphere. Our research shows that industrial mercury pollution from decades past has been locked up in west ...
Environment
Apr 8, 2019
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Environmental researchers at Harvard University have published evidence that significant reductions in mercury emissions will be necessary just to stabilize current levels of the toxic element in the environment. So much ...
Environment
Jul 8, 2013
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