Archive: 05/1/2009

Sea Salt Holds Clues to Climate Change

(PhysOrg.com) -- We know that average sea levels have risen over the past century, and that global warming is to blame. But what is climate change doing to the saltiness, or salinity, of our oceans?

May 01, 2009
4.5 / 5 (20) 3

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 ...

May 01, 2009
4.4 / 5 (18) 1

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.

May 01, 2009
4 / 5 (1) 0

Weight loss competitions produce encouraging results

Statewide weight loss competitions appear to be a potentially successful weapon in the battle against obesity. These programs can produce weight loss in large numbers of people at minimal cost, according to a new study from ...

May 01, 2009
not rated yet 0

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, ...

May 01, 2009
4.3 / 5 (18) 7

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 ...

May 01, 2009
5 / 5 (1) 0