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  December 14, 2005

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A Strange New Fluid Like State Of Matter - SpaceDaily  Left:  A-C show images from a high-speed video of a granular jet produced by the impact of a heavy sphere at atmospheric pressure. D-F show images form a high-speed video of the jet at reduced pressure. Air compressed between the sand grains provides most of the energy that drives the jet, according to scientists at the University of Chicago. See larger image. University of Chicago physicists have created a novel state of matter using nothing more than a container of loosely packed sand and a falling marble. They have found that the impacting marble produces a jet of sand grains that briefly behaves like a special type of dense fluid  "We're discovering a new type of fluid state that seems to exist in this combination of gas--air in this case--and a dense arrangement of particles," said Heinrich Jaeger, Professor in Physics and Director of the Materials Research Science and Engineering Center at the University of Chicago. "It's just a most amazing phenomenon."   
Warming Could Free More Carbon From Arctic Soil - SpaceDaily   Scientists studying the effects of carbon on climate warming are very likely underestimating, by a vast amount, how much soil carbon is available in the high Arctic to be released into the atmosphere, new University of Washington research shows. A three-year study of soils in northwest Greenland found that a key previous study greatly underestimated the organic carbon stored in the soil. That's because the earlier work generally looked only at the top 10 inches of soil, said Jennifer Horwath, a UW doctoral student in Earth and space sciences. "In the polar semidesert, I found nearly nine times more carbon than was previously reported," she said. "In the polar desert, I'm finding 125 times more carbon."   

New Animation: Hubble Spots Cosmic Traffic Jam - Space.com   A new animation of a high-speed cosmic pileup has been created using images from the Hubble Space Telescope. Superheated gas called plasma, spewing from a newborn star, travels in clumps that move at different speeds. Fast-moving, recently ejected clumps sometimes catch up with slower batches that had been sent out previously, causing massive shock waves.    
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Alzheimer's Disease:
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Biosciences:
12/14/2005:†Irish researchers hope to put astronauts to sleep ... - FirstScience
12/14/2005:†Dog DNA May Lead to Cures
  - Technology Review 
12/14/2005:†Gold treatment helps ailing lion - MSNBC
12/14/2005:†Why greyhounds are speedier than humans - MSNBC
12/14/2005:†Stressed-out stem cell pioneer hospitalized - MSNBC
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Climate, Environment:
12/14/2005:†Warming Could Free More Carbon From Arctic Soil - SpaceDaily
12/14/2005:†Canada will meet Kyoto emissions targets, PM says ... - FirstScience
12/14/2005:†Environment group warns of stealth tax ... - FirstScience
12/14/2005:†Indonesia urges US to join climate change pact ... - FirstScience
12/14/2005:†Tehran shut down amid unprecedented smog alert (07-12-2005) .. - FirstScience.
12/14/2005:†US states differ over emissions plan ... - FirstScience
12/14/2005:†Romney reopens talks on emissions ... - FirstScience
12/14/2005:†Arctic Natives Seek Global Warming Ruling ... - FirstScience
12/14/2005:†Vanuato volcano shooting steam and gas ... - FirstScience
12/14/2005:†The Definition of 'Cloud' Gets Cloudy ... - FirstScience
12/14/2005:†Erupting Volcano Bursts Into Life ... - FirstScience
12/14/2005:†Antarctic ozone hole set to take 60 more years to recover  - Nature
12/14/2005:†U.S. Resists New Targets for Curbing Emissions  - NY Times
12/14/2005:†Audio: Revkin Reports From Montreal  - NY Times
12/14/2005:†Subscribe to Revkin's Podcast  - NY Times
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Computers:
Devices
12/14/2005:†When Hi-Fi Meets the IPod  - Wired News
12/14/2005:†Wrap Up a Holiday Hack  - Wired News
12/14/2005:†The Neopets Addiction  - Wired News
12/14/2005:†Art Games Tweak the Classics  - Wired News
12/14/2005:†Palm's Life Line: Part 2  - Technology Review 
12/14/2005:†Dispense street justice in 50 Cent's 'Bulletproof'  - CNN
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Communications
12/14/2005:†Internet TV at a crucial fork in the road
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Technology
12/14/2005:†IBM's Nano Connection  - Technology Review 
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PC's
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Internet
12/14/2005:†Wikipedia: Teapot Tempest  - Technology Review 
12/14/2005:†Yahoo to upgrade messaging features  - CNN
12/14/2005:†Smart inbox cuts email drudgery - New Scientist
12/14/2005:†The word: Backrub - New Scientist
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Miscellaneous
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Energy:
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Health:
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Cancer   - FirstScience
12/14/2005:†Fallout from Nuclear Weapons Tests and Cancer Risks ...
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Infectious
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Non-Infectious
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Miscellaneous
12/14/2005:†'Safe' painkiller is leading cause of liver failure - New Scientist
12/14/2005:†Face transplant may be only way to restore speech - New Scientist
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History, Anthropology:
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Miscellaneous:
12/14/2005:†Japan Nobel laureates call for expanded science, technology budget ... - FirstScience
12/14/2005:†Asteroid could hit Earth in 2036 ... - Ananova
12/14/2005:†Killer Maps  - Technology Review 
12/14/2005:†FBI- Internet terror attack unlikely  - CNN
12/14/2005:†Intel reportedly to invest $230 million in Malaysian upgrade  - El. Engr. Times
12/14/2005:†Hitachi develops 42-inch HD plasma display  - El. Engr. Times
12/14/2005:†Does rivalry rewire the rapping web?  - Nature
12/14/2005:†Smoking in movies is as common as it was in 1950 - New Scientist
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Neurosciences:
12/14/2005:†The Human Brain - New Scientist
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Physics and Astronomy:
12/14/2005:†New Animation: Hubble Spots Cosmic Traffic Jam - Space.com
12/14/2005:†Space weather bulletins ...
 - Astronomy
12/14/2005:†Astrophysicists weigh up risks of cosmic wipeout
 - New Scientist
12/14/2005:†How to create a crystal made entirely of holes
 - New Scientist
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Prolongevity
12/14/2005:†She's Only 83: Cradle Robber!  - Wired News
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Robotics:
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Space:
12/14/2005:†NASA Chief Scales Back Space Agency's Plans ... - FirstScience
12/14/2005:†State looks to launch spaceport ...
 - FirstScience
12/14/2005:†Shuttle booster maker to design new rocket ...
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12/14/2005:†Countdown: NASA's mission to Pluto and beyond
 - New Scientist
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Technology:
12/14/2005:†Cyborg Suits Strut the Catwalk  - Wired News
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