News tagged with sources
The buzz around beer
Ever wondered why flies are attracted to beer? Entomologists at the University of California, Riverside have, and offer an explanation. They report that flies sense glycerol, a sweet-tasting compound that ...
Nov 17, 2011 |
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Toward more cost-effective production of biofuels from plant lignocellulosic biomass
In 1925, Henry Ford observed that fuel is present in all vegetative matter that can be fermented and predicted that Americans would some day grow their own fuel. Last year, global biofuel production reached ...
Nov 16, 2011 |
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Human activity pulling the plug on a vital carbon sink
(PhysOrg.com) -- Under better conditions coastal ecosystems might be the ace in the hole to mitigate climate change, but human activity is significantly weakening their ability to naturally dampen the impacts of rising CO2 ...
Nov 16, 2011 |
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Voyager 2 completes switch to backup thruster set
(PhysOrg.com) -- NASA's Voyager 2 has successfully switched to the backup set of thrusters that controls the roll of the spacecraft. Deep Space Network personnel sent commands to the spacecraft to make the ...
Space & Earth / Space Exploration
Nov 15, 2011 |
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Climate policies can help resolve energy security and air pollution challenges
Policies to protect the global climate and limit global temperature rise offer the most effective entry point for achieving energy sustainability, reducing air pollution, and improving energy security, according to an article ...
Nov 14, 2011 |
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NCAR wind forecasts save millions of dollars for Xcel Energy
The National Center for Atmospheric Research (NCAR) has developed a highly detailed wind energy forecasting system with Xcel Energy, enabling the utility to capture energy from turbines far more effectively ...
Technology / Energy & Green Tech
Nov 10, 2011 |
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Researchers unravel the mystery of quantum dot blinking
(PhysOrg.com) -- Research by Los Alamos scientists published today in the journal Nature documents significant progress in understanding the phenomenon of quantum-dot blinking. Their findings should enhanc ...
Nov 09, 2011 |
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China faces hurdles to developing shale gas
Energy-hungry China is tapping its vast shale gas reserves to reduce its reliance on dirty coal and imports, but experts warn its lack of technical expertise and scarce water supplies pose challenges.
Nov 09, 2011 |
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Australia passes controversial carbon pollution tax
Australia passed its controversial pollution tax Tuesday in a sweeping and historic reform aimed at lowering carbon emissions blamed for climate change, after years of fierce debate.
Nov 08, 2011 |
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Dams -- what goes up must come down, and then what?
Time can take its toll on a dam. As dams age, they are more costly to repair and the risk of a catastrophic dam break increases--putting property and lives at risk. But, removing them can mean big changes to the community, ...
Nov 07, 2011 |
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Biggest jump ever seen in global warming gases
(AP) -- The global output of heat-trapping carbon dioxide jumped by the biggest amount on record, the U.S. Department of Energy calculated, a sign of how feeble the world's efforts are at slowing man-made ...
Nov 03, 2011 |
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Berkeley lab to build cost model for fuel cells
Fuel cells seem like an ideal energy source -- they're clean, efficient, silent and don't require transmission lines. The hitch? They can be costly. Now scientists at Lawrence Berkeley National Laboratory (Berkeley Lab) hope ...
Technology / Energy & Green Tech
Nov 01, 2011 |
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Urine could be the answer to cheaper electricity
(PhysOrg.com) -- Urine can be an abundant fuel for electricity generation, according to British scientists in the first study of its kind.
Nov 01, 2011 |
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Switching senses: Biologists find that leeches shift the way they locate prey in adulthood
(PhysOrg.com) -- Many meat-eating animals have unique ways of hunting down a meal using their senses. To find a tasty treat, bats use echolocation, snakes rely on infrared vision, and owls take advantage of ...
Nov 01, 2011 |
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Aluminum alloy overcomes obstacles on the path to making hydrogen a practical fuel source
Hydrogen offers great promise as a renewable energy source. It's staggeringly plentiful (the most abundant element in the Universe) and environmentally friendly (used in a fuel cell, it gives off only water). Unfortunately, ...
Nov 01, 2011 |
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