01/05/2009

Why Are Galaxies So Smooth?

(PhysOrg.com) -- Using NASA's Spitzer Space Telescope, an international team of astronomers has discovered streams of young stars flowing from their natal cocoons in distant galaxies. These distant rivers of stars provide ...

New Southern California beetle killing oaks

U.S. Forest Service scientists have completed a study on a beetle that was first detected in California in 2004, but has now attacked 67 percent of the oak trees in an area 30 miles east of San Diego.

'Smart turbine blades' to improve wind power

Researchers have developed a technique that uses sensors and computational software to constantly monitor forces exerted on wind turbine blades, a step toward improving efficiency by adjusting for rapidly changing wind conditions.

Researchers test biological ways to control alfalfa pest

(PhysOrg.com) -- Cornell researchers are spending time in the fields this spring collecting 20,000 alfalfa snout beetles. They need them to test ways to biologically control the pests, which devour alfalfa and other crops.

Frozen helium-4 may be an unusual 'superglass'

(PhysOrg.com) -- When helium is cooled to around 4 degrees above absolute zero, it turns liquid. Make it a couple of degrees cooler, and it becomes a "superfluid" that flows without resistance from its container, just as ...

Bad jobs: Why they make some women bad moms

(PhysOrg.com) -- The kind of job a woman has may be just as important as whether she works or not when it comes to the well-being of her child.

Robots on a recycling rampage

(PhysOrg.com) -- More than 150 robots, in a wide variety of sizes, shapes and capabilities, will battle it out on May 6 and 7 in a contest to see which can collect the most soda cans and simulated bales of trash and return ...

Plants may affect the effect of wildfires

(PhysOrg.com) -- Rising temperatures may lead to more tinder-dry vegetation, but that doesn't mean there will be a higher risk for wildfires in a particular area.

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