(Phys.org) —Electrically charged lunar dust near shadowed craters can get lofted above the surface and jump over the shadowed region, bouncing back and forth between sunlit areas on opposite sides, according ...
Mar 18, 2013
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(Phys.org) —A robot research team at Harvard University has found that tiny robots that move by vibrating bristle strands when grouped together, form spontaneously into groups—exhibiting, what the team ...
Mar 15, 2013
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In 2011 a powerful drought gripped East Africa. The failure of both the 2010 fall rains and the 2011 spring rains caused a drought that, stacked on an already unstable political climate, caused a famine that led to hundreds ...
Mar 15, 2013
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(Phys.org) —New optical technologies using "metasurfaces" capable of the ultra-efficient control of light are nearing commercialization, with potential applications including advanced solar cells, computers, ...
Mar 14, 2013
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The ultrafast, ultrabright X-ray pulses of the Linac Coherent Light Source (LCLS) have enabled unprecedented views of a catalyst in action, an important step in the effort to develop cleaner and more efficient ...
Mar 14, 2013
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Climate change is creating warmer growing conditions in parts of the Earth's northern regions, a new study has found, but experts warn that drought and heat wil soon cancel out the agricultural benefits.
Mar 14, 2013
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Heavy rains have become more frequent in the upper Midwest over the past 60 years, according to a study from the University of Iowa. The trend appears to hold true even with the current drought plaguing the region, the study's ...
Mar 13, 2013
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NASA's Tropical Rainfall Measuring Mission satellite, also known as TRMM, flew over Cyclone Sandra twice in one day and noticed a large decrease in rainfall intensity over a nine hour period.
Mar 13, 2013
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In about a third of the global ocean, the abundance of life is limited by a dearth of biologically available iron. The supply of iron to a region that is depleted in this important nutrient can stimulate algal productivity, ...
Mar 12, 2013
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Ultrafast supercomputers that operate at speeds 100 times faster than current systems are now one step closer to reality. A team of IBM researchers working on a U.S. Defense Advanced Research Projects Agency ...
Mar 12, 2013
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Human norovirus (hNoV), also known as the winter vomiting bug, is one of the most common stomach bugs in the world. The virus is highly contagious, causing vomiting and diarrhea, and the number of affected cases is growing. ...
Mar 12, 2013
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A twist on thin-film technology may provide a way to optically detect and analyze multiple substances simultaneously, leading to quicker diagnostics in such industries as health care and homeland security, ...
Mar 12, 2013
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New research shows that cloud biases over the Southern Ocean are the primary contributor to the double-rain band problem that exists in most modern climate models.
Mar 11, 2013
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The El Nino and La Nina climate patterns are unlikely to make an appearance during the first half of this year, the UN's weather agency said Monday.
Mar 11, 2013
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For years, researchers have developed thin films of bismuth telluride (Bi2Te3) – which converts heat into electricity or electricity to cooling – on top of gallium arsenide (GaAs) to create cooling dev ...
Mar 11, 2013
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