Gamma Ray Delay May Be Sign of 'New Physics'
Oct 01, 2007 |
4.4 / 5 (41) |
4
Delayed gamma rays from deep space may provide the first evidence for physics beyond current theories.
Physicists Tackle Knotty Puzzle
Oct 01, 2007 |
4.5 / 5 (38) |
2
Electrical cables, garden hoses and strands of holiday lights seem to get themselves hopelessly tangled with no help at all. Now research initiated by an undergraduate student at the University of California, ...
New one-way quantum computer design offers possibility of efficient optical information processing
Oct 01, 2007 |
4.7 / 5 (33) |
0
One of the most exciting and diverse fields of science today involves quantum information processing. There are many designs for quantum computers suggested, and a few that have been demonstrated. Among the demonstrated suggestions ...
The dark matter of the universe has a long lifetime
Oct 01, 2007 |
4.2 / 5 (34) |
2
New research from the Niels Bohr Institute presents new information that adds another piece of knowledge to the jigsaw puzzle of the dark mystery of the universe – dark matter. The research has just been published ...
Nanotube forests grown on silicon chips for future computers, electronics
Nanotechnology / Nanomaterials
Oct 01, 2007 |
4.8 / 5 (27) |
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Engineers have shown how to grow forests of tiny cylinders called carbon nanotubes onto the surfaces of computer chips to enhance the flow of heat at a critical point where the chips connect to cooling devices ...
New particles get a mass boost
Oct 01, 2007 |
4.1 / 5 (31) |
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A sophisticated, new analysis has revealed that the next frontier in particle physics is farther away than once thought. New forms of matter not predicted by the Standard Model of particle physics are most likely twice as ...
Both short and long sleep is associated with increased mortality
Oct 01, 2007 |
4.3 / 5 (27) |
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The first study to assess the stability of three aspects of sleep behavior in relation to long-term mortality finds an increased risk of mortality in short sleep, long sleep and frequent use of medications, according to a ...
Solving a 150-year debate: Scientists say sabercat bit like a pussycat
Technology / Computer Sciences
Oct 01, 2007 |
4.3 / 5 (27) |
1
In public imagination, the sabre-toothed cat Smilodon ranks alongside Tyrannosaurus rex as the ultimate killing machine. Powerfully built, with upper canines like knives, Smilodon was a fearsome predator of ...
Chemical compound found in tree bark stimulates growth, survival of brain cells
Oct 01, 2007 |
4.7 / 5 (18) |
1
Researchers have identified a compound in tree bark that mimics the chemical reactions of a naturally occurring molecule in the brain responsible for stimulating neuronal cell signaling. Neuronal cell signaling plays a crucial ...
Good Vibrations: Using Terahertz Radiation to Control Material Properties
Oct 01, 2007 |
4.6 / 5 (17) |
1
A collaboration led by researchers with the U.S. Department of Energy’s Lawrence Berkeley National Laboratory has used molecular vibrations, triggered by ultrafast pulses of terahertz radiation, to change ...
Childhood TV viewing a risk for behavior problems
Oct 01, 2007 |
4.7 / 5 (16) |
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Daily television viewing for two or more hours in early childhood can lead to behavioral problems and poor social skills, according to a study of children 2.5 to 5.5 years of age conducted by researchers at the Johns Hopkins ...
Physicists propose new method of measuring the weak interaction
Oct 01, 2007 |
4.1 / 5 (17) |
1
A particular class of hydrogen atoms may prove ideal for the study of one of the four fundamental forces of physics, according to research performed at the U.S. Department of Energy's Argonne National Laboratory.
Technology could enable computers to 'read the minds' of users
Oct 01, 2007 |
4.3 / 5 (15) |
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Tufts University researchers are developing techniques that could allow computers to respond to users’ thoughts of frustration — too much work — or boredom—too little work. Applying non-invasive and easily portable imaging ...
Beyond a 'speed limit' on mutations, species risk extinction
Biology /
Oct 01, 2007 |
4.5 / 5 (14) |
1
Harvard University scientists have identified a virtual "speed limit" on the rate of molecular evolution in organisms, and the magic number appears to be 6 mutations per genome per generation -- a level beyond which species ...
Genes influence people's economic choices
Oct 01, 2007 |
4.1 / 5 (15) |
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An international team of researchers including an MIT graduate student has demonstrated for the first time that genes exert influence on people's behavior in a very common experimental economic game.
