James Webb Space Telescope first flight mirror completes cryogenic testing
Space & Earth / Space Exploration
Apr 08, 2009 |
4.7 / 5 (6) |
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(PhysOrg.com) -- The first mirror segment that will fly on the James Webb Space Telescope, built by Northrop Grumman Corporation, has completed its first series of cryogenic temperature tests in the X-ray ...
Bioethanol’s impact on water supply 3x higher than once thought
Apr 08, 2009 |
4.7 / 5 (6) |
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At a time when water supplies are scarce in many areas of the United States, scientists in Minnesota are reporting that production of bioethanol — often regarded as the clean-burning energy source of the future — may consume ...
Joslin study identifies 'good' energy burning fat in lean adults
Apr 08, 2009 |
4.7 / 5 (6) |
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Researchers at the Joslin Diabetes Center have demonstrated that adult humans still have a type of "good" fat previously believed to be present only in babies and children. Unlike white fat, which stores energy and comprises ...
Quantum computers will require complex software to manage errors
Apr 08, 2009 |
3.4 / 5 (8) |
4
(PhysOrg.com) -- Highlighting another challenge to the development of quantum computers, theorists at the National Institute of Standards and Technology have shown* that a type of software operation, proposed ...
Renewable energies : the promise of organic solar cells
Apr 08, 2009 |
3.6 / 5 (7) |
3
(PhysOrg.com) -- In the race to renewable energy, organic solar cells are now really starting to take off. They can be manufactured easily and cheaply, they have low environmental impact, and since they are compatible with ...
Scientists control complex nucleation processes using DNA origami seeds
Apr 08, 2009 |
4 / 5 (5) |
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The construction of complex man-made objects--a car, for example, or even a pizza--almost invariably entails what are known as "top-down" processes, in which the structure and order of the thing being built ...
Researcher identifies protein that concentrates carbon dioxide in algae
Apr 08, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Increasing levels of carbon dioxide in the atmosphere are a concern to many environmentalists who research global warming.
Wild chimpanzees exchange meat for sex
Apr 08, 2009 |
4.8 / 5 (4) |
3
Wild female chimpanzees copulate more frequently with males who share meat with them over long periods of time, according to a study led by researchers from the Max Planck Institute for Evolutionary Anthropology ...
Study compares sound from exploding volcanoes with jet engines
Space & Earth / Earth Sciences
Apr 08, 2009 |
3.8 / 5 (5) |
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New research on infrasound from volcanic eruptions shows an unexpected connection with jet engines. Researchers at Scripps Institution of Oceanography at UC San Diego speeded up the recorded sounds from two ...
Ma and Pa solutions to global warming
Apr 08, 2009 |
3.6 / 5 (5) |
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The prairies offer opportunities for capitalizing on environmentally friendly farming practices and potentially useful agricultural waste to produce jobs, economic growth, commercial opportunities, and renewable energy sources, ...
Bogus security software growing threat: Microsoft
Apr 08, 2009 |
4 / 5 (4) |
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Hackers are increasingly hiding viruses in bogus computer security software to trick people into installing treacherous programs on machines, Microsoft warned on Wednesday.
Pavement sealcoat a source of toxins in stormwater runoff
Apr 08, 2009 |
5 / 5 (3) |
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Driveways and parking lots may look better with a layer of sealcoat applied to the pavement, but the water running off the surface into nearby streams will be carrying more than just oxygen and hydrogen molecules. ...
GOCE's 'heart' starts beating
Space & Earth / Space Exploration
Apr 08, 2009 |
5 / 5 (3) |
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GOCE's highly sensitive gradiometer instrument has been switched on and is producing data. Forming the heart of GOCE, the gradiometer is specifically designed to measure Earth's gravity field with unprecedented ...
Waist size predictor of heart failure in men and women
Apr 08, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Adding to the growing evidence that a person’s waist size is an important indicator of heart health, a study led by investigators at Beth Israel Deaconess Medical Center (BIDMC) has found ...
Scientists Pierce Veil of Clouds to 'See' Lightning Inside a Volcanic Plume
Space & Earth / Earth Sciences
Apr 08, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Researchers hit the jackpot in late March, when, for the first time, they began recording data on lightning in a volcanic eruption--right from the start of the eruption.
