(Phys.org)—Metals such as copper, zinc, and iron are important nutrients to all life. The special properties of these elements that make them so useful in technologies including batteries and catalysts – for example, ...
Biochemistry
Sep 10, 2012
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(Phys.org) -- University at Buffalo researchers are making significant progress on rust-proofing steel using a graphene-based composite that could serve as a nontoxic alternative to coatings that contain hexavalent chromium, ...
Nanomaterials
May 18, 2012
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The same principle that causes figure skaters to spin faster as they draw their arms into their bodies has now been used by Michigan State University researchers to understand how molecules move energy around following the ...
Materials Science
Dec 22, 2011
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New University of Alberta research shows the first evidence that oxygen-breathing bacteria occupied and thrived on land 100 million years earlier than previously thought.
Earth Sciences
Oct 19, 2011
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Important pressurized water nuclear reactor components are being made from a nickel-base alloy that contains twice the amount of chromium as the material previously used. The new alloy, called alloy 690, performs better, ...
Nanomaterials
Oct 11, 2011
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An Australian chemical company admitted Saturday that one of its sites had leaked toxic compounds for the second time in two weeks.
Environment
Aug 21, 2011
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Researchers from North Carolina State University have found a new way to develop straight carbon nanofibers on a transparent substrate. Growing such nanofiber coatings is important for use in novel biomedical research tools, ...
Nanomaterials
Aug 16, 2011
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Chicago's first round of testing for a toxic metal called hexavalent chromium found that levels in local drinking water are more than 11 times higher than a health standard California adopted last month.
Environment
Aug 8, 2011
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The California Environmental Protection Agency has issued the nation's first public health goal for hexavalent chromium, the cancer-causing heavy metal made infamous after activist Erin Brockovich sued in 1993 over contaminated ...
Environment
Jul 30, 2011
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Early in the formation of the Earth, some forms of the element chromium separated and disappeared deep into the planet's core, a new study by UC Davis geologists shows.
Earth Sciences
Feb 24, 2011
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