In radiation 'ventriloquism,' electromagnetic waves travel backwards
Sep 23, 2008 |
4.5 / 5 (81) |
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(PhysOrg.com) -- Typically, electromagnetic waves travel away from their sources. For instance, a radar system emits radio waves that travel all the way to a target, such as a car or plane, before being reflected ...
Scientists detect cosmic 'dark flow' across billions of light years
Sep 23, 2008 |
4.8 / 5 (72) |
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(PhysOrg.com) -- Using data from NASA's Wilkinson Microwave Anisotropy Probe (WMAP), scientists have identified an unexpected motion in distant galaxy clusters. The cause, they suggest, is the gravitational ...
Worlds in collision
Sep 23, 2008 |
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Two terrestrial planets orbiting a mature sun-like star some 300 light-years from Earth recently suffered a violent collision, astronomers at UCLA, Tennessee State University and the California Institute of ...
Dark chocolate: Half a bar per week to keep at bay the risk of heart attack
Sep 23, 2008 |
4.5 / 5 (47) |
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Maybe gourmands are not jumping for joy. Probably they would have preferred bigger amounts to sup-port their passion. Though the news is still good for them: 6.7 grams of chocolate per day represent the ideal amount for a ...
Ulysses spacecraft data indicate Solar System shield lowering
Space & Earth / Space Exploration
Sep 23, 2008 |
4.6 / 5 (45) |
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(PhysOrg.com) -- Data from the joint ESA/NASA Ulysses mission show that the Sun has reduced its output of solar wind to the lowest levels since accurate readings have become available. This current state of ...
'Chemical equator' discovery will aid pollution mapping
Space & Earth / Earth Sciences
Sep 23, 2008 |
4.5 / 5 (26) |
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Scientists at the University of York have discovered a 'Chemical Equator' that divides the polluted air of the Northern Hemisphere from the largely uncontaminated atmosphere of the Southern Hemisphere.
Scientists deliver toxic genes to effectively kill pancreatic cancer cells
Sep 23, 2008 |
4.8 / 5 (24) |
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A research team, led by investigators at the Department of Surgery at Jefferson Medical College of Thomas Jefferson University and the Kimmel Cancer Center at Jefferson, has achieved a substantial "kill" of pancreatic cancer ...
Step back to move forward emotionally, study suggests
Medicine & Health / Psychology & Psychiatry
Sep 23, 2008 |
4.2 / 5 (23) |
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When you're upset or depressed, should you analyze your feelings to figure out what's wrong? Or should you just forget about it and move on?
Toshiba's 400GB USB 2.0 External Hard Drive
Sep 23, 2008 |
3.2 / 5 (23) |
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Toshiba Storage Device Division has announced a 400GB USB 2.0 external drive with 8MB buffer. This drive weights only 6 ounces and measures 5 inches high, 3.2 inches wide and .65 inches thick.
A robot in every home? (Robot Special part 3)
Sep 23, 2008 |
4.5 / 5 (16) |
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(PhysOrg.com) -- Observers like Bill Gates believe that by 2025 we could have robots in every home. In labs across Europe, researchers are creating designs that could become the robo-butler of the future.
Honey effective in killing bacteria that cause chronic sinusitis
Sep 23, 2008 |
4.4 / 5 (14) |
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Honey is very effective in killing bacteria in all its forms, especially the drug-resistant biofilms that make treating chronic rhinosinusitis difficult, according to research presented during the 2008 American Academy of ...
Step right up, let the computer look at your face and tell you your age
Technology / Computer Sciences
Sep 23, 2008 |
3.6 / 5 (16) |
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People who hope to keep their age a secret won't want to go near a computer running this software. Like an age-guesser at a carnival, computer software being developed at the University of Illinois can fairly accurately estimate ...
Melting ice under pressure
Sep 23, 2008 |
4.3 / 5 (12) |
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(PhysOrg.com) -- The deep interior of Neptune, Uranus and Earth may contain some solid ice.
Duke team finds compounds that prevent nerve damage
Sep 23, 2008 |
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Duke University Medical Center scientists have made a significant finding that could lead to better drugs for several degenerative diseases including Huntington's disease and Alzheimer's disease. Compounds that block the ...
Formula discovered for longer plant life
Biology /
Sep 23, 2008 |
4.6 / 5 (10) |
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(PhysOrg.com) -- Plants that grow more slowly stay fresh longer. In their study now published in PLoS Biology, scientists at the Max Planck Institute for Developmental Biology in Tübingen have shown that certain ...
