06/09/2011

Digital cameras open new view of America's West

A U.S. Department of Agriculture (USDA) aerial photography survey of 38,000 wildfire-burned acres in Idaho provided what is believed to be the first evidence that the invasive leafy spurge weed is displacing seedlings of ...

New LROC images offer sharper views of Apollo 12, 14, 17 sites

(PhysOrg.com) -- The Arizona State University team that oversees the imaging system on board NASA’s Lunar Reconnaissance Orbiter has released the sharpest images ever taken from space of the Apollo 12, 14 and 17 sites, ...

Ultrafast substorm auroras explained (w/ video)

(PhysOrg.com) -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...

Our galaxy might hold thousands of ticking 'time bombs'

(PhysOrg.com) -- In the Hollywood blockbuster "Speed," a bomb on a bus is rigged to blow up if the bus slows down below 50 miles per hour. The premise - slow down and you explode - makes for a great action movie plot, and ...

Space station crew not prepping for shutdown -- yet

(AP) -- The astronauts aboard the International Space Station say ground controllers are figuring out how best to leave the complex running in case it needs to be temporarily abandoned.

Recycling fat might help worms live longer

Aging is generally accepted as a universal fact of life, but how do humans and other organisms age at the molecular level? At Sanford-Burnham Medical Research Institute (Sanford-Burnham), a team led by Malene Hansen, Ph.D., ...

Songs about sex—how they affect kids

Do sexualized lyrics in popular music have an impact on the sexual behavior and attitudes of adolescents? Researchers Cougar Hall, Joshua H. West, and Shane Hill from Brigham Young University in Provo, Utah, take a look at ...

Single molecule can shift the phase of a laser beam

(PhysOrg.com) -- The ability to control light forms the basis of many technologies, from microscopy to optical computing. Now, a team of scientists from ETH in Zurich, Switzerland, has demonstrated that a single organic molecule ...

Poor outlook for water quality in Germany

The good chemical and ecological status of water bodies as defined by the EU Water Framework Directive is unlikely to be attained in Germany by 2015. This is the conclusion of a study in which data from the four largest rivers ...

Study shows clouds don't cause climate change

Clouds only amplify climate change, says a Texas A&M University professor in a study that rebuts recent claims that clouds are actually the root cause of climate change.

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