Monarchs fly south for the winter
As many as 300 million monarch butterflies are now flying south from Canada and the northern United States to winter in Mexico and Southern California.
Sep 12, 2005
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12/09/2005
Networks secure subways, transit systems
A new surveillance network being built for the New York City subway system may serve as a model in the coming years for other metropolitan transit authorities, experts tell UPI's Networking column.
Sep 12, 2005
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Scientists: Methane may be Titan's 'water'
Scientists say methane might serve the same purpose on Saturn's moon Titan that water does on Earth, the BBC reported Monday.
Sep 12, 2005
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Treaty: last chance to save great apes
A treaty signed during the weekend in the Democratic Republic of Congo reportedly might be the world's last chance to save great apes from extinction.
Sep 12, 2005
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Scientists get first glimpse at how plants, most animals repair UV-damaged DNA
For the first time, researchers have observed exactly how some cells are able to repair DNA damage caused by the sun's ultraviolet (UV) radiation. The Ohio State University study revealed how the enzyme photolyase uses energy ...
Sep 12, 2005
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Argonne theorist gains new insight into the nature of nanodiamond
The newest promising material for advanced technology applications is diamond nanotubes, and research at the U.S. Department of Energy's Argonne National Laboratory is giving new insight into the nature of nanodiamond.
Sep 12, 2005
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Research Shows How Water May Enhance Nanocatalysis
Researchers at the Georgia Institute of Technology have uncovered important evidence that explains how water, usually an inhibitor of catalytic reactions, can sometimes promote them. The findings could lead to fewer constraints ...
Sep 12, 2005
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Just How Significant Is Methane On Titan?
Titan's second most abundant constituent, methane, is critical to the maintenance of an earth-like nitrogen atmosphere on this satellite. Without methane, Titan's nitrogen would condense, leaving behind a puny amount in ...
Sep 12, 2005
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Lunar Probe Program Facing Three Major Difficulties
China is expected to launch its first ever lunar probe satellite in 2007, but the program is still experiencing three major difficulties, said Luan Enjie, chief commander of the lunar satellite project here on Wednesday. ...
Sep 12, 2005
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Researchers Discover Key to Human Embryonic Stem-Cell Potential
What exactly makes a stem cell a stem cell? The question may seem simplistic, but while we know a great deal of what stem cells can do, we don't yet understand the molecular processes that afford them such unique attributes.
Sep 12, 2005
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