03/12/2008

ESA tests laser to measure atmospheric carbon dioxide

A recent ESA campaign has demonstrated how a technique using lasers could be employed to measure carbon dioxide in the atmosphere. The campaign supports one of the main objectives of the candidate Earth Explorer A-SCOPE mission.

Stereotypes, bias and personnel decisions

In an article in the December issue of the journal Industrial and Organizational Psychology, Frank J. Landy questions research that is said to demonstrate that stereotypes about social groups bias personnel decisions. He ...

'Intelligent' materials to revolutionize surgical implants

(PhysOrg.com) -- A brand new process that could revolutionise the reliability and durability of surgical implants, such as hip and knee replacements, has today, 2 December 08, received recognition for its medical and commercial ...

Understanding the daily variation

For over two centuries, meteorologists were puzzled by the observation that atmospheric pressure in the tropics peaks at 10 a.m. and 10 p.m. nearly every day. In the late 1960s, a theory was proposed that these surface pressure ...

Brown Dwarfs Do Form Like Stars

(PhysOrg.com) -- Astronomers have uncovered strong evidence that brown dwarfs form like stars. Using the Smithsonian's Submillimeter Array (SMA), they detected molecules of carbon monoxide shooting outward from the object ...

Dogs chase efficiently, but cats skulk counterintuitively

A Duke University study suggests that evolution can behave as differently as dogs and cats. While the dogs depend on an energy-efficient style of four-footed running over long distances to catch their prey, cats seem to have ...

Managing carbon loss

As the United States continues to develop alternative energy methods and push towards energy independence, cellulosic-based ethanol has emerged as one of the most commercially viable technologies. Corn stover remains the ...

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