News tagged with national
Physicists propose quantum entanglement for motion of microscopic objects
Dec 21, 2009 |
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Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Microcephaly genes associated with human brain size
Dec 21, 2009 |
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A group of Norwegian and American researchers have shown that common variations in genes associated with microcephaly - a neuro-developmental disorder in which brain size is dramatically reduced - may explain differences ...
Google gets digital foothold in France
Dec 20, 2009 |
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Despite fierce resistance to Google's plans to digitise the world's books, observers say it is well placed to start scanning Europe's cultural treasures -- beginning in France, where the US giant got a digital ...
Physicists detect two candidate dark matter interactions, but say the data are not conclusive
Dec 18, 2009 |
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(PhysOrg.com) -- Scientists have spent decades searching for the elusive material known as dark matter, which is believed to make up 25 percent of the universe. On Thursday, Dec. 17, a team of physicists including ...
Why newborn babies can't walk
Medicine & Health / Neuroscience
Dec 18, 2009 |
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(PhysOrg.com) -- The first steps of an infant is a real milestone in the development of all mammals including humans, but little is known about why some animals can walk soon after birth, while others need ...
French technology upstart challenges Google
Dec 17, 2009 |
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(AP) -- France's efforts to digitize its culture, from Marcel Proust's manuscripts to the first films of the legendary Lumiere brothers, long have been bogged down by the country's reluctance to rely on help from American ...
IU informaticists show new levels of refinement in predicting human mobility, epidemic spread
Technology / Computer Sciences
Dec 17, 2009 |
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(PhysOrg.com) -- The interplay of human mobility patterns like those between local metropolitan commuters and long-range airline travelers during a global epidemic can be modeled in such detail so as to offer ...
Headwater stream nutrient enrichment disrupts food web
Dec 17, 2009 |
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Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...
Heme channel found
Dec 17, 2009 |
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In some ways a cell in your body or an organelle in that cell is like an ancient walled town. Life inside either depends critically on the intelligence of the gatekeepers.
Soil Microorganisms? Role Cited as a Missing Factor in Climate Change Equation
Dec 17, 2009 |
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(PhysOrg.com) -- Those seeking to understand and predict climate change can now use an additional tool to calculate carbon dioxide exchanges on land, according to a scientific journal article co-authored by a University of ...
Researchers revise long-held theory of fruit-fly development
Dec 17, 2009 |
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For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
Within a cell, actin keeps things moving
Dec 17, 2009 |
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(PhysOrg.com) -- Using new technology developed in his University of Oregon lab, chemist Andrew H. Marcus and his doctoral student Eric N. Senning have captured what they describe as well-orchestrated, actin-driven, ...
Glutamate can play key role in drug impact on brain
Medicine & Health / Neuroscience
Dec 16, 2009 |
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(PhysOrg.com) -- Addiction disorders of various kinds are a major health and social problem, and our knowledge of how the brain’s reward system functions needs to be enhanced. Uppsala researchers now shows an unexpected effect ...
Researchers find cells move in mysterious ways (w/ Video)
Dec 16, 2009 |
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Our cells are more like us than we may think. They're sensitive to their environment, poking and prodding deliberately at their surroundings with hand-like feelers and chemical signals as they decide whether ...
An Advance in Superconducting Magnet Technology Opens the Door for More Powerful Colliders
Dec 16, 2009 |
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(PhysOrg.com) -- Preparing for as much as a 10-fold increase in the Large Hadron Collider's luminosity within the next decade, U.S. scientists and engineers have demonstrated a powerful magnet based on an ...
