Archive: 01/3/2008

Plate tectonics may take a break

Plate tectonics, the geologic process responsible for creating the Earth’s continents, mountain ranges, and ocean basins, may be an on-again, off-again affair. Scientists have assumed that the shifting of crustal plates ...

dateJan 03, 2008 in Earth Sciences
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Insect attack may have finished off dinosaurs

Asteroid impacts or massive volcanic flows might have occurred around the time dinosaurs became extinct, but a new book argues that the mightiest creatures the world has ever known may have been brought down by a tiny, much ...

dateJan 03, 2008 in
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Why some depressed girls can't smell the roses

Can’t smell the roses? Maybe you’re depressed. Smell too much like a rose yourself? Maybe you’ve got the same problem. Scientists from Tel Aviv University recently linked depression to a biological mechanism that affects ...

dateJan 03, 2008 in Medical research
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Internists say they prescribe placebos on occasion

In the first study examining American physicians' use of placebos in clinical practice in the 21st Century, 45 percent of Chicago internists report they have used a placebo at some time during their clinical practice researchers ...

dateJan 03, 2008 in Other
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A crystal that nature may have missed

For centuries, human beings have been entranced by the captivating glimmer of the diamond. What accounts for the stunning beauty of this most precious gem? As mathematician Toshikazu Sunada explains in an ...

dateJan 03, 2008 in Mathematics
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Earthquake 'memory' could spur aftershocks

Using a novel device that simulates earthquakes in a laboratory setting, a Los Alamos researcher and his colleagues have shown that seismic waves—the sounds radiated from earthquakes—can induce earthquake aftershocks, ...

dateJan 03, 2008 in General Physics
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