When it comes to tiny motors, the flagella used by bacteria to get around their microscopic worlds are hard to beat. Composed of several tens of different types of protein, a flagellum (that's the singular) rotates about ...
Aug 07, 2006
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It may be surprising that a laser beam, when shot to the moon and returned by one of the mirrors the Apollo astronauts left behind, is a couple of miles in diameter at the end of its half-million-mile round trip. This spread ...
Aug 07, 2006
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The U. S. Department of Energy's Argonne National Laboratory has teamed with industrial and academic partners under a DARPA Phase II research and development program to develop a new technology based on Ultrananocrystalline ...
Aug 07, 2006
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By applying electrical currents across the heads of people while they walk, researchers have improved our understanding of how our vestibular system helps us maintain upright posture; at the same time, the researchers found ...
Aug 07, 2006
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With five hybrid solar lighting systems already in place and another 20 scheduled to be installed in the next couple of months, the forecast is looking sunny for a technology developed at the Department of Energy's Oak Ridge ...
Aug 07, 2006
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Palm trees on Florida’s west coast appear to be dying more rapidly than in previous years because of sea level rise tied to global warming.
Aug 07, 2006
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Search engines are not biased toward popular Web sites, and may even be egalitarian in the way they direct traffic, say Indiana University School of Informatics researchers. Their study, "Topical interests and the mitigation ...
Aug 07, 2006
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How life takes shape is a mystery. Butterfly or baby, cells organize themselves into tissues, tissues form organs, organs become organisms. Over and over, patterns emerge in all living creatures. Spiders get eight legs. Leopards ...
Aug 07, 2006
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MIT researchers are working toward the day when a team of robots could be put into action like a team of Navy SEALs - doing such dangerous work as searching for survivors after devastating hurricanes or sweeping ...
Aug 07, 2006
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Pharmaceutical companies are compromising medical research in Australia by manipulating clinical trials, The Age newspaper reported Monday.
Aug 07, 2006
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U.S. teenagers who listen to music with sexually degrading lyrics tend to begin having sex at an earlier age, a Rand Corp., study published Monday said.
Aug 07, 2006
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University of Utah scientists have shown how evolution works by reversing the process, reconstructing a 530-million-year-old gene by combining key portions of two modern mouse genes that descended from the ...
Aug 07, 2006
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Researchers from the University of Pennsylvania School of Engineering and Applied Science warn against an entirely new threat to computer security: peripheral devices – such as keyboards, mice or microphones ...
Aug 07, 2006
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MetOp, the first in the new European series of operational meteorological satellites in polar orbit, is now scheduled for launch on 7 October 2006. The new date was established last week following various planning ...
Aug 07, 2006
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U.S. doctors often misdiagnose tuberculosis due to its rarity, leaving some patients to suffer for years, the Los Angeles Times reported .
Aug 07, 2006
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