28/07/2011

SOHO watches a comet fading away

On Nov. 4, 2010, NASA's EPOXI spacecraft came within 450 miles of Comet Hartley 2, a small comet not even a mile in diameter, which takes about six and a half years to orbit the sun. Designated officially as 103P/Hartley ...

Psychology of debt talks is all in game of chicken

(AP) -- Psychologists and mediators compare the political wrangling over the debt limit to a dangerous game of "chicken" with both sides racing cars at each other head-on.

An unexpected clue to thermopower efficiency

Scientists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) and their colleagues have discovered a new relation among electric and magnetic fields and differences in temperature, which ...

Geographic analysis offers new insight into coral disease spread

In the last 30 years, more than 90 percent of the reef-building coral responsible for maintaining major marine habitats and providing a natural barrier against hurricanes in the Caribbean has disappeared because of a disease ...

NASA identifies the areas of Tropical Storm Muifa's strength

The strongest thunderstorms that make up tropical storm Muifa are on the storm's eastern and southern sides, according to infrared imagery from NASA's Aqua satellite. The northern side is being weakened by a nearby weather ...

Rainforest plant developed sonar dish to attract pollinating bats

The researchers discovered that a rainforest vine, pollinated by bats, has evolved dish-shaped leaves with such conspicuous echoes that nectar-feeding bats can find its flowers twice as fast by echolocation. The study is ...

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