News tagged with mercury news
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Older dental fillings contain form of mercury unlikely to be toxic
Dec 09, 2009 |
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A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...
MESSENGER Spacecraft Flies by Mercury
Space & Earth / Space Exploration
Sep 30, 2009 |
4.7 / 5 (3) |
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Shortly before 5:55 p.m. EDT, MESSENGER skimmed 228 kilometers (141 miles) above the surface of Mercury in its third and final flyby of the planet.
The first evidence of pre-industrial mercury pollution in the Andes
May 18, 2009 |
4.4 / 5 (9) |
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The study of ancient lake sediment from high altitude lakes in the Andes has revealed for the first time that mercury pollution occurred long before the start of the Industrial Revolution.
Brookhaven Lab Patents New Method for Mercury Remediation
Sep 15, 2009 |
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Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have patented a new method to remove toxic mercury from soil, sediment, sludge and other industrial waste. As described in recently ...
Free online activity explains MESSENGER spacecraft's Mercury flyby on Sept. 29
Space & Earth / Space Exploration
Sep 21, 2009 |
3 / 5 (3) |
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(PhysOrg.com) -- NASA's MESSENGER spacecraft will fly past the planet Mercury on Sept. 29, and a free online simulator created by staff at Montana State University's Burns Technology Center helps explain how ...
EPA to limit mercury from cement plants
Apr 22, 2009 |
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The Environmental Protection Agency on Tuesday called for the nation's first limits on mercury emissions from the more than 100 cement factories across the U.S.
How Mercury Becomes Toxic In The Environment
Aug 18, 2009 |
3.8 / 5 (8) |
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(PhysOrg.com) -- Naturally occurring organic matter in water and sediment appears to play a key role in helping microbes convert tiny particles of mercury in the environment into a form that is dangerous to ...
Worried about mercury? It's easy to choose safer fish
Jun 26, 2009 |
5 / 5 (1) |
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We've been told seafood is good for us because it's low in calories and fat, full of protein and packed with Omega-3s, which may protect against coronary heart disease and stroke, and are thought to help neurological development ...
Study reveals how Arctic food webs affect mercury in polar bears
Dec 08, 2009 |
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With growing concerns about the effects of global warming on polar bears, it's increasingly important to understand how other environmental threats, such as mercury pollution, are affecting these magnificent Arctic animals.
MESSENGER discovers an unusual impact basin on Mercury
Space & Earth / Space Exploration
Apr 30, 2009 |
4.8 / 5 (4) |
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A previously unknown, large impact basin has been discovered by the MErcury Surface, Space ENvironment, GEochemistry, and Ranging (MESSENGER) spacecraft during its second flyby of Mercury in October 2008. The impact basin, ...
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