Archive: 22/09/2009

How good are tests for E. coli in streams?

Bacteria commonly used to indicate health risks in recreational waters might not be so reliable after all. Pathogenic E. coli were pervasive in stream-water samples with low concentrations of fecal indicator bacteria.

dateSep 22, 2009 in Environment
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Moore's Law Marches on at Intel

Intel President and CEO Paul Otellini today displayed a silicon wafer containing the world's first working chips built on 22nm process technology. The 22nm test circuits include both SRAM memory as well as logic circuits ...

dateSep 22, 2009 in Semiconductors
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Biofuel from Corn Stover

(PhysOrg.com) -- How much corn crop residue, or stover, can be removed for biofuels without harming soil? An Agricultural Research Service (ARS) study of a 10-mile circle around the University of Minnesota’s Morris campus ...

dateSep 22, 2009 in Environment
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Insurance against financial fear

(PhysOrg.com) -- Just one year ago, a worldwide panic was unfolding: Financial markets froze after the collapse of the investment bank Lehman Brothers, leaving businesses without lenders as the economy drastically slowed. ...

dateSep 22, 2009 in Economics & Business
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