Archive: 09/22/2009

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.

Sep 22, 2009 5 / 5 (1) 0

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 ...

Sep 22, 2009 4.3 / 5 (30) 10

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 ...

Sep 22, 2009 not rated yet 0