To meet climate goal, only quarter of fossil fuels can be used: study
Apr 29, 2009 |
4.2 / 5 (53) |
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Meeting a widely-supported goal to tackle global warming means that humanity will be able to burn less than a quarter of the proven reserves of fossil fuels by 2050, a study released on Wednesday said.
Resolving a galactic mystery
Apr 29, 2009 |
4.8 / 5 (19) |
3
An extremely deep Chandra X-ray Observatory image of a region near the center of our Galaxy has resolved a long-standing mystery about an X-ray glow along the plane of the Galaxy. The glow in the region covered ...
Rogue Black Holes May Roam the Milky Way
Apr 29, 2009 |
4.3 / 5 (21) |
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(PhysOrg.com) -- It sounds like the plot of a sci-fi movie: rogue black holes roaming our galaxy, threatening to swallow anything that gets too close. In fact, new calculations by Ryan O'Leary and Avi Loeb ...
Darwin in a test tube: Scientists make molecules that evolve, compete, mimick behavior of Darwin's finches
Apr 29, 2009 |
4.7 / 5 (18) |
6
As described in an article published this week in an advance, online edition of the journal Proceedings of the National Academy of Sciences (PNAS), the work demonstrates some of the classic principles of evolution. For in ...
Native Americans descended from a single ancestral group, DNA study confirms
Apr 29, 2009 |
4.6 / 5 (16) |
2
For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral ...
Electrofluidic Display Technology puts electronic book readers ahead by a wide margin
Apr 29, 2009 |
4.9 / 5 (12) |
2
(PhysOrg.com) -- Thinking about getting an e-reader but not sure if you like reading the dim screen? An international collaboration of the University of Cincinnati, Sun Chemical, Polymer Vision and Gamma Dynamics ...
Iron-arsenic superconductors in class of their own
Apr 29, 2009 |
5 / 5 (10) |
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Physicists at the U.S. Department of Energy's Ames Laboratory have experimentally demonstrated that the superconductivity mechanism in the recently-discovered iron-arsenide superconductors is unique compared to all other ...
DIY 'tinkerers' create more than mere toys from spare parts
Apr 29, 2009 |
4.5 / 5 (10) |
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To Ken Delahoussaye, an old computer, cell phone, camera or even a child's toy is much more than a disposable device. Each is something he can take apart and fuse with other parts to create something totally new.
Brain processes written words as unique 'objects'
Medicine & Health / Neuroscience
Apr 29, 2009 |
5 / 5 (7) |
0
A new study provides direct experimental evidence that a brain region important for reading and word recognition contains neurons that are highly selective for individual real words. The research, published by Cell Press ...
Faster Than The Speed Of Sound: New Control System Has What It Takes To Guide Experimental Aircraft
Apr 29, 2009 |
4.4 / 5 (8) |
3
(PhysOrg.com) -- When a jet is flying faster than the speed of sound, one small mistake can tear it apart. And when the jet is so experimental that it must fly unmanned, only a computer control system can ...
Achieving optimal efficiencies for nanoengines
Apr 29, 2009 |
3.8 / 5 (8) |
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(PhysOrg.com) -- "There's a lot of recent interest in understanding the functioning and optimal performance of small systems," Katja Lindenberg tells PhysOrg.com. Lindenberg is a scientist in the Department of Chemistry and Bi ...
Nanophysicists find unexpected magnetic effect: Kondo effect noted in single-atom contacts of pure ferromagnets
Apr 29, 2009 |
4.7 / 5 (6) |
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Spanish and U.S. physicists studying nanoelectronics have found that size really does matter when it comes to predicting the behavior of electrical contacts that are just one atom wide.
Peruvian stalagmites a new basis for 'Inconvenient truth'?
Space & Earth / Earth Sciences
Apr 29, 2009 |
2.9 / 5 (7) |
5
Will the Netherlands that is dominated by water succumb to the 'Inconvenient Truth' predicted by Al Gore? Dutch researcher Martin van Breukelen analysed stalagmites from the South American Amazon tributaries in Peru. He used ...
Fish may actually feel pain and react to it much like humans
Apr 29, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Fish don't make noises or contort their faces to show that it hurts when hooks are pulled from their mouths, but a Purdue University researcher believes they feel that pain all the same.
Oxytocin: Love potion #1?
Medicine & Health / Psychology & Psychiatry
Apr 29, 2009 |
4.3 / 5 (4) |
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Relationships are difficult and most of us probably think at some point that communicating positively with our partner when discussing stressful issues, like home finances, is an impossible task. What if there was a safe ...
