Archive: 07/28/2011

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 ...

Jul 28, 2011
not rated yet 0

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 ...

Jul 28, 2011
4.9 / 5 (18) 6 | with audio podcast

Strength in numbers

New research sheds light on why, after 300,000 years of domination, European Neanderthals abruptly disappeared. Researchers from the University of Cambridge have discovered that modern humans coming from Africa swarmed the ...

Jul 28, 2011
4.7 / 5 (16) 16 | with audio podcast