(HealthDay) -- Air quality in America's most polluted cities has improved significantly over the past decade, according to a new report from the American Lung Association.
Environment
Apr 25, 2012
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Today, the GOES-13 satellite captured a visible image of the thick brown smoke streaming from the Lateral West Fire burning in the Great Dismal Swamp National Wildlife Refuge (GDSBWR) in southeastern Virginia.
Earth Sciences
Aug 11, 2011
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A team of researchers at the University of California, San Diego and Stanford University has developed a way to simulate blood flow on the computer to optimize surgical designs. It is the basis of a new tool that may help ...
General Physics
Nov 24, 2009
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