Archive: 09/11/2008
Astronomers discover upper mass limit for black holes
There appears to be an upper limit to how big the universe's most massive black holes can get, according to new research led by a Yale University astrophysicist.
Sep 11, 2008 |
4.4 / 5 (41) |
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As good as it gets?
Albert Einstein once quipped, "Reality is merely an illusion, albeit a very persistent one." The famous scientist might have added that the illusion of reality shifts over time. According to a new Brandeis University study ...
Medicine & Health / Psychology & Psychiatry
Sep 11, 2008 |
4 / 5 (21) |
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New Simulation Poised to Chart the Staggered, Scattered Cosmic Dawn
(PhysOrg.com) -- A new simulation method recently developed by Stanford astrophysicist Marcelo Alvarez and Science Undergraduate Laboratory Internship student Patrick Ho spurns complexity to make headway in ...
Sep 11, 2008 |
4.8 / 5 (16) |
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Moving Quarks Help Solve Proton Spin Puzzle
(PhysOrg.com) -- New theory work at the U.S. Department of Energy’s Thomas Jefferson National Accelerator Facility has shown that more than half of the spin of the proton is the result of the movement of its building blocks: ...
Sep 11, 2008 |
4.3 / 5 (15) |
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Stroock lab creates first synthetic tree
(PhysOrg.com) -- In Abraham Stroock's lab at Cornell, the world's first synthetic tree sits in a palm-sized piece of clear, flexible hydrogel -- the type found in soft contact lenses.
Sep 11, 2008 |
4.4 / 5 (20) |
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A 'Genetic Study' of the Galaxy
(PhysOrg.com) -- Looking in detail at the composition of stars with ESO's VLT, astronomers are providing a fresh look at the history of our home galaxy, the Milky Way. They reveal that the central part of ...
Sep 11, 2008 |
4.6 / 5 (5) |
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A second career for a growth factor receptor: keeping nerve axons on target
Neurons constituting the optic nerve wire up to the brain in a highly dynamic way. Cell bodies in the developing retina sprout processes, called axons, which extend toward visual centers in the brain, lured ...
Sep 11, 2008 |
5 / 5 (2) |
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New study on rural HIV care has economic and health implications
An Indiana University study found that HIV care providers in rural Indiana report significant stigma and discrimination in the rural medical referral system surrounding issues of HIV and substance abuse. Providers felt that ...
Medicine & Health / HIV & AIDS
Sep 11, 2008 |
4 / 5 (1) |
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A snapshot of the transformation of nanoscale structures
Researchers have achieved a milestone in materials science and electron microscopy by taking a high-resolution snapshot of the transformation of nanoscale structures.
Sep 11, 2008 |
3.9 / 5 (10) |
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Cause of conduct problems among girls appears to be different than in boys
The first study to include a significant number of aggressive girls with conduct problems indicates that psychological conditions including conduct disorder may have separate causes in the two sexes.
Medicine & Health / Psychology & Psychiatry
Sep 11, 2008 |
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NASA Developing Fission Surface Power Technology
(PhysOrg.com) -- NASA astronauts will need power sources when they return to the moon and establish a lunar outpost. NASA engineers are exploring the possibility of nuclear fission to provide the necessary ...
Space & Earth / Space Exploration
Sep 11, 2008 |
4.3 / 5 (18) |
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Ice core studies confirm accuracy of climate models
An analysis has been completed of the global carbon cycle and climate for a 70,000 year period in the most recent Ice Age, showing a remarkable correlation between carbon dioxide levels and surprisingly abrupt changes in ...
Space & Earth / Earth Sciences
Sep 11, 2008 |
2.9 / 5 (38) |
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Watch and learn: Time teaches us how to recognize visual objects
(PhysOrg.com) -- In work that could aid efforts to develop more brain-like computer vision systems, MIT neuroscientists have tricked the visual brain into confusing one object with another, thereby demonstrating ...
Sep 11, 2008 |
4.6 / 5 (7) |
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Superconductivity can induce magnetism
When an electrical current passes through a wire it emanates heat - a principle that's found in toasters and incandescent light bulbs. Some materials, at low temperatures, violate this law and carry current without any heat ...
Sep 11, 2008 |
4.6 / 5 (36) |
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Research team proposes new link to tropical African climate
The Lake Tanganyika area, in southeast Africa, is home to nearly 130 million people living in four countries that bound the lake, the second deepest on Earth. Scientists have known that the region experiences ...
Space & Earth / Earth Sciences
Sep 11, 2008 |
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