Study finds shoelace tags better than gold
A British study finds the device that prevents shoelaces from fraying was more valuable than gold to indigenous Cubans who traded with Columbus's fleet.
Archaeology
Oct 3, 2006
0
126
03/10/2006
NASA awards space operations contract
NASA has awarded a space program operations contract valued at $1.1 billion for the first six months of its term to United Space Alliance LLC, of Houston.
Space Exploration
Oct 3, 2006
0
104
Revised shark kill estimates are announced
A U.S. ocean conservation organization estimates as many as 73 million sharks are killed each year worldwide for their valuable fins.
Environment
Oct 3, 2006
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158
U.S. government moves to protect whipsnake
The U.S. government has set aside 154,834 acres in California's East Bay for a protected habitat for the endangered Alameda whipsnake.
Environment
Oct 3, 2006
0
111
Planets Prefer Safe Neighborhoods
A star must live in a relatively tranquil cosmic neighborhood to foster planet formation, say astronomers using NASA's Spitzer Space Telescope. A team of scientists from the University of Arizona's Steward Observatory, Tucson, ...
Astronomy
Oct 3, 2006
0
143
Uncovering DNA's 'sweet' secret
DNA's simple and elegant structure - the "twisted ladder," with sugar-phosphate chains making up the "rails" and oxygen- and nitrogen-containing chemical "rungs" tenuously uniting the two halves - seems to be the work of ...
Oct 3, 2006
0
245
Compound Eyes, Evolutionary Ties
Biologists at the University of California, San Diego have discovered that the presence of a key protein in the compound eyes of the fruit fly (which glow at center due to a fluorescent protein) allows the formation of distinct ...
Oct 3, 2006
0
120
Amazing Andromeda Galaxy
The many "personalities" of our great galactic neighbor, the Andromeda galaxy, are exposed in this new composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.
Astronomy
Oct 3, 2006
0
261
Less expensive fuel cell may be possible
Scientists at Los Alamos National Laboratory have developed a new class of hydrogen fuel-cell catalysts that exhibit promising activity and stability. The catalysts are made of low-cost nonprecious metals entrapped in something ...
Condensed Matter
Oct 3, 2006
0
505
Clemson researchers develop nanotechnology
Picture a spider web coated with sugar. But instead of luring in unsuspecting creatures, this spider web pulls in deadly anthrax spores, rendering them harmless.
Bio & Medicine
Oct 3, 2006
0
199
