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The legacy of mercury in Lake Superior

The northern Great Lakes are praised for being clean, but these aquatic systems don't exist in a vacuum. Contaminants still find their way into lake water and sediments. Mercury is of particular interest because of its toxicity ...

dateMar 18, 2016 in Environment
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Mercury's mysterious 'darkness' revealed

Scientists have long been puzzled about what makes Mercury's surface so dark. The innermost planet reflects much less sunlight than the Moon, a body on which surface darkness is controlled by the abundance of iron-rich minerals. ...

dateMar 07, 2016 in Space Exploration
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