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Breaking a molecule's mirror image

03-03-2007 · Science News Online

The theory of entanglement explains a newly observed behavior in a symmetrical hydrogen molecule: When the molecule fractures, the directions in which its constituent particles move are not always random.

Keywords: breaking, molecule, mirror, image

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Envisat captures California ablaze
10-23-2007 · European Space Agency (ESA)
This Envisat image captures fierce easterly desert winds blowing smoke from wildfires in Southern California. Gale-force winds have fed more than a dozen fires from Santa Barbara to the Mexican border since breaking out on Sunday, killing one person and forcing the evacuation of a quarter of a million people.
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Peering into the shadow world of RNA
12-04-2006 · EurekAlert!
The popular view is that DNA and genes control everything of importance in biology. The genome rules all of life, it is thought. Increasingly, however, scientists are realizing that among the diverse forms of RNA, a kind of mirror molecule derived from DNA, many interact with each other and with genes directly to manage the genome from behind the scenes.
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Breaking the medical image communication barrier
11-22-2006 · EurekAlert!
Using a new grid computing system, radiologists and pediatric oncologists at 40 hospitals all over North America are now quickly and securely exchanging high-resolution medical images. One hoped-for result will be that the doctors of young cancer patients will know more quickly whose treatment is not working and be able to change course. Others include making second opinions from specialists anywhere easily available, and quicker, closer monitoring of ongoing clinical research and diagnostic practice.
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Titan's icy climate mimics Earth's tropics
10-02-2007 · EurekAlert!
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DNA repair proteins monitored at double-strand break
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Investigators at St. Jude Children's Research Hospital had a molecule’s eye view of the human cell’s DNA repair kit as it assembled on a double-strand break to link together the broken ends. Double-strand breaks are ruptures that cut completely across the twisted, ladder-like structure of DNA, breaking it into two pieces.
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Newton's Dusty Mirror: Old experiment inspires ultrafast imaging
08-11-2007 · Science News Online
An experiment devised by Isaac Newton inspires a modern successor, in which X rays capture the image of a microscopic explosion.
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Detailed 3-D image catches a key regulator of neural stem cell differentiation in action
12-07-2006 · EurekAlert!
Researchers at the Salk Institute for Biological Studies in collaboration with scientists at the University of California, San Diego took a high resolution "action shot" of a protein switch that plays a crucial role in the development of the nervous system. Their findings, published in the December 8 issue of the journal Molecular Cell, provide a template for the design of small molecule inhibitors to control that switch, a protein called Scp1, at will.
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Molecule with a split personality
08-02-2007 · EurekAlert!
Polish researchers made a porphyrin-like ring that can do something its paper analogue can't: the new molecule can switch back and forth between the one-sided Möbius topology and a "normal" two-sided state (Hückel topology) -- without breaking the ring.
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Record-breaking galaxy
10-21-2006 · Science News Online
Looking ever deeper into space and farther back in time, astronomers have found a galaxy more distant than any other known in the universe.
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Dust clouds in cosmic cycle
04-04-2007 · EurekAlert!
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