In quantum channels, zero plus zero can equal non-zero
Oct 06, 2008 |
4.6 / 5 (62) |
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(PhysOrg.com) -- Physicists have discovered a strange characteristic of quantum communication channels. If two quantum channels each have a transmission capacity of zero, they may still have a nonzero capacity ...
Fuzziness on the road to physics' grand unification theory
Oct 06, 2008 |
3.6 / 5 (64) |
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Leave it to hypothesized gravity to weigh down what physicists have thought for 30 years. If theoretical physicists, led by the University of Oregon's Stephen Hsu, are right, the idea that nature's forces ...
New material could speed development of hydrogen powered vehicles
Nanotechnology / Nanomaterials
Oct 06, 2008 |
4.1 / 5 (54) |
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Researchers in Greece report design of a new material that almost meets the U.S. Department of Energy (DOE) 2010 goals for hydrogen storage and could help eliminate a key roadblock to practical hydrogen-powered ...
Using a fan during sleep lowers SIDS risk by 72 percent
Oct 06, 2008 |
4.6 / 5 (28) |
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Infants who slept in a bedroom with a fan ventilating the air had a 72 percent lower risk of Sudden Infant Death Syndrome compared to infants who slept in a bedroom without a fan, according to a new study by the Kaiser Permanente ...
Researchers document world's mammals in crisis
Oct 06, 2008 |
3.6 / 5 (30) |
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From majestic African elephants to tiny and often unappreciated rodents, mammals on Earth are in a state of crisis. One in four mammal species on Earth is being pushed to extinction, according to the Global Mammal Assessment, ...
Occasional memory loss tied to lower brain volume
Oct 06, 2008 |
3.6 / 5 (29) |
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People who occasionally forget an appointment or a friend's name may have a loss of brain volume, even though they don't have memory deficits on regular tests of memory or dementia, according to a study published in the October ...
Playing Pinball with Atoms
Oct 06, 2008 |
4.4 / 5 (20) |
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With nanotechnology yielding a burgeoning menagerie of microscopic pumps, motors, and other machines for potential use in medicine and industry, here is one good question: How will humans turn those devices ...
NASA study finds rising Arctic storm activity sways sea ice, climate
Oct 06, 2008 |
3.6 / 5 (20) |
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A new NASA study shows that the rising frequency and intensity of arctic storms over the last half century, attributed to progressively warmer waters, directly provoked acceleration of the rate of arctic sea ice drift, long ...
NASA spacecraft ready to explore outer solar system
Space & Earth / Space Exploration
Oct 06, 2008 |
4.5 / 5 (15) |
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The first NASA spacecraft to image and map the dynamic interactions taking place where the hot solar wind slams into the cold expanse of space is ready for launch Oct. 19. The two-year mission will begin from ...
Most Alaskan glaciers retreating, thinning, and stagnating
Oct 06, 2008 |
3.3 / 5 (19) |
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Most glaciers in every mountain range and island group in Alaska are experiencing significant retreat, thinning or stagnation, especially glaciers at lower elevations, according to a new book published by the U.S. Geological ...
Seeing race and seeming racist? Whites go out of their way to avoid talking about race
Medicine & Health / Psychology & Psychiatry
Oct 06, 2008 |
4.8 / 5 (13) |
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White people – including children as young as 10 -- may avoid talking about race so as not to appear prejudiced, according to new research. But that approach often backfires as blacks tend to view this "colorblind" approach ...
Oral vitamin D may help prevent some skin infections
Oct 06, 2008 |
4.6 / 5 (13) |
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A study led by researchers at the University of California, San Diego School of Medicine suggests that use of oral Vitamin D supplements bolsters production of a protective chemical normally found in the skin, and may help ...
Brazilian acai berry antioxidants absorbed by human body
Oct 06, 2008 |
3.8 / 5 (13) |
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A Brazilian palm berry, popular health food though little research has been done on it, now may have its purported benefits better understood. In the first research involving people, the acai (ah-sigh-EE) ...
Individuals with social phobia see themselves differently
Oct 06, 2008 |
3.9 / 5 (11) |
0
Magnetic resonance brain imaging reveals that patients with generalized social phobia respond differently than others to negative comments about themselves, according to a report in the October issue of Archives of General Ps ...
Nanoscopic screening process to speed drug discovery
Nanotechnology / Bio & Medicine
Oct 06, 2008 |
4.1 / 5 (9) |
0
Researchers at Wake Forest University are using nanotechnology to search for new cancer-fighting drugs through a process that could be up to 10,000 times faster than current methods.
