A pipefitter knows how to make an exact cut on a metal rod. But it's far harder to imagine getting a precise cut on a carbon nanotube, with a diameter 1/50,000th the thickness of a human hair.
Nanomaterials
Dec 17, 2010
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Researchers at the University of Oxford have uncovered a clue that may help to explain why the earliest evidence of complex multicellular animal life appears around 550 million years ago, when atmospheric oxygen levels on ...
Cell & Microbiology
Dec 17, 2010
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One of the requirements to keep trends in computer technology on track – to be ever faster, smaller, and more energy-efficient – is faster writing and processing of data. In the Dec. 17 issue of the journal Science, ...
General Physics
Dec 17, 2010
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(PhysOrg.com) -- When cells are exposed to life-threatening stresses, they take quick action to save themselves. Among other defenses, they start manufacturing proteins that perform critical tasks such as repairing DNA.
Cell & Microbiology
Dec 17, 2010
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(PhysOrg.com) -- An international team of astronomers have presented the first conclusive evidence for a dramatic surge in star birth in a recently discovered population of massive galaxies in the early Universe.
Astronomy
Dec 17, 2010
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(PhysOrg.com) -- It's a mainstay in biological molecules, but carbon isn't the kind of element you'd expect to find in a permanent magnet. Until now. Not only does carbon become magnetized with a little doctoring, as discovered ...
Condensed Matter
Dec 17, 2010
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(PhysOrg.com) -- This collage of galaxies from NASA's Wide-Field Infrared Survey Explorer, or WISE, showcases the many "flavors" that galaxies come in, from star-studded spirals to bulging ellipticals to those paired with ...
Astronomy
Dec 17, 2010
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If a ladder had more than one rung at each step, it would look awkward and would be a bit dangerous to climb. Ladders in the microscopic world were thought to be similar in structure, having only one particle, or rung, in ...
General Physics
Dec 17, 2010
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(PhysOrg.com) -- New research has found that the mating habits of the dairy yeast depends on the levels of nutrients available as well as the availability of cells of the opposite "sex."
(PhysOrg.com) -- New research has demonstrated that dogs can tell the size of another dog by listening to its growls. They are able to do this so accurately they can match the growl to a photograph of a dog of the same size.
