Cassini Prepares to Swoop by Saturn's Geyser-Spewing Moon
Space & Earth / Space Exploration
Aug 07, 2008 |
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(PhysOrg.com) -- Fractures, or "tiger stripes," where icy jets erupt on Saturn's moon Enceladus will be the target of a close flyby by the Cassini spacecraft on Monday, Aug. 11.
Trigger for brain plasticity identified
Aug 07, 2008 |
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Researchers have long sought a factor that can trigger the brain's ability to learn – and perhaps recapture the "sponge-like" quality of childhood. In the August 8 issue of the journal Cell, neuroscientists at Children's Hospit ...
A positive-feedback system ensures that cells divide
Biology /
Aug 07, 2008 |
4.5 / 5 (8) |
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(PhysOrg.com) -- In the life of every cell, there’s a point of no return. Once it enters the cell cycle and passes a checkpoint known as “Start,” a cell will follow the steps it needs to divide — no matter what changes might ...
Individual personal ties strengthen teams' overall creativity
Aug 07, 2008 |
4.3 / 5 (8) |
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With more employees working in teams, it is critical to find ways to enable teams to be more creative in their work. A new article in Strategic Entrepreneurship Journal explores how imagination, insight, and creative ideas ...
Attention grabbers snatch lion's share of visual memory
Aug 07, 2008 |
3.9 / 5 (8) |
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Our visual memory is not as good as we may think, according to research funded by the Wellcome Trust – but it can be used more flexibly than scientists previously thought. In a study published today in the ...
Pre-cancerous condition linked to chronic acid reflux faces several hurdles
Aug 07, 2008 |
4.3 / 5 (7) |
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A pre-cancerous condition linked to chronic acid reflux often gets overlooked. Can the medical community do a better job intervening? Researchers from the Hutchinson-MRC Research Centre in Cambridge think so.
Perseid Meteor Shower To Peak Aug. 12
Space & Earth / Space Exploration
Aug 07, 2008 |
4.3 / 5 (7) |
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The annual Perseid meteor shower will be visible in the night sky throughout Colorado and will peak during the early morning hours of Aug. 12, according to an astronomy expert at the University of Colorado ...
Scientists create 20 disease-specific stem cell lines
Biology /
Aug 07, 2008 |
4.8 / 5 (6) |
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(PhysOrg.com) -- Harvard Stem Cell Institute researcher George Q. Daley, associate director of the Stem Cell Program at Children's Hospital Boston, has with HSCI colleagues Chad Cowan and Konrad Hochedlinger of Massachusetts ...
'Silencing' HIV with small bits of RNA
Medicine & Health / HIV & AIDS
Aug 07, 2008 |
4.8 / 5 (5) |
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Researchers have shown that they can effectively tackle HIV-1 with small bits of gene-silencing RNA by delivering them directly to infected T cells, the major targets of the virus. While earlier studies had shown such a strategy ...
GIANT-Coli: A novel method to quicken discovery of gene function
Biology /
Aug 07, 2008 |
4.6 / 5 (5) |
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Think researchers know all there is to know about Escherichia coli, commonly known as E. coli? Think again. "E. coli has more than four thousand genes, and the functions of one-fourth of these remain unknown," says Dr. Deborah ...
Computer scientist aims for a better-networked military
Technology / Computer Sciences
Aug 07, 2008 |
3.7 / 5 (6) |
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Patrick Crowley, Ph.D., assistant professor of computer science and engineering at Washington University in St. Louis, has received a one-year, $499,765 grant from the Defense Advanced Research Projects Agency (DARPA) for ...
Fingerprints provide clues to more than just identity
Aug 07, 2008 |
3.5 / 5 (6) |
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Fingerprints can reveal critical evidence, as well as an identity, with the use of a new technology developed at Purdue University that detects trace amounts of explosives, drugs or other materials left behind ...
A gene for sexual switching in melons provides clues to the evolution of sex
Biology /
Aug 07, 2008 |
3.8 / 5 (5) |
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A newly discovered function for a hormone in melons suggests it plays a role in how sexual systems evolve in plants. The study, conducted by French and American scientists, appears in the latest issue of the journal Science.
B cells can act alone in autoimmune disease
Aug 07, 2008 |
4.8 / 5 (4) |
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B cells, the source of damaging autoantibodies, have long been thought to depend upon T cells for their activation and were not considered important in the initiation of autoimmune diseases like lupus or rheumatoid arthritis.
New survey: 82 percent of Americans think health care system needs major overhaul
Aug 07, 2008 |
4 / 5 (4) |
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Americans are dissatisfied with the U.S. health care system and 82 percent think it should be fundamentally changed or completely rebuilt, according to a new survey released today by The Commonwealth Fund. Also today, The ...
