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U.S. Long-Term Debt Downgraded by Standard & Poor's
Standard & Poor's removed the United States government from its list of risk-free borrowers on Friday night, citing concern about the rising burden of long-term federal debt.
The ratings agency had threatened the downgrade if the government did not act to reduce the federal debt by at least $4 trillion over the next decade. Earlier this week, Congress instead passed a plan to reduce the debt by at least $2.1 trillion.
Two other ratings agencies, Moody's and Fitch, both have said that they have no immediate plan to downgrade the country's credit rating, giving the government more time to make progress on debt reduction. The split verdict limits the impact of the S.&P. downgrade as many consequences would only be triggered by a reduction by at least two agencies.
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Reshaping DNA
Fri, 05 Aug 2011 01:08:56 -0500
Researchers from the University of Michigan (U-M) and the University of California, Irvine, have found that the simple DNA double helix is capable of existing in an alternative form for one percent of the time.
Scientists have known for some time that the DNA molecule can bend and ...
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Engineers Stem Progression of Heart Disease (Image 4)
Fri, 05 Aug 2011 12:08:26 -0500
Jaime Schmieg, a doctoral student working in the lab of Paul Vlachos, an associate professor of mechanical engineering and director of the Advanced Experimental Thermofluid Engineering Research Lab at Virginia Tech, is leading experiments to target drug delivery in order to reduce the side effects ...
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Engineers Stem Progression of Heart Disease (Image 1)
Fri, 05 Aug 2011 12:08:39 -0500
Paul Vlachos, an associate professor of mechanical engineering and director of the Advanced Experimental Thermofluid Engineering Research Lab at Virginia Tech, is working on a series of cardiac-related projects. Vlachos and his students hope to develop novel tools for diagnosing, monitoring and ...
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Engineers Stem Progression of Heart Disease (Image 2)
Fri, 05 Aug 2011 12:08:29 -0500
Kelley Stewart, a doctoral student working in the lab of Paul Vlachos, an associate professor of mechanical engineering and director of the Advanced Experimental Thermofluid Engineering Research Lab at Virginia Tech, looks into a left ventricular simulator tank. The compliant silicone model left ...
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