The conventional model for galaxy evolution predicts that small galaxies in the early Universe evolved into the massive galaxies of today by coalescing. Nine Lego-like “building block” galaxies initially detected by Hubble ...
Astronomy
Sep 6, 2007
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The pigment melanin, which is responsible for skin and hair color in mammals, is produced in specialized cells called melanocytes and then distributed to other cells. But not every cell in the complex layers of skin becomes ...
Sep 6, 2007
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Israel and Jordan are revisiting a plan to divert water from the Red Sea into the ailing Dead Sea.
Environment
Sep 6, 2007
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The National Aeronautics and Space Administration has joined with Discovery Communications to commemorate the U.S. space agency's 50th anniversary.
Space Exploration
Sep 6, 2007
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Scientists at Fermilab in Illinois are racing to find the elusive Higgs boson particle before a giant new Swiss lab opens next year.
General Physics
Sep 6, 2007
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Researchers at the UAB Computer Vision Centre working on the automatic recognition of manuscript documents have designed a new system that is more efficient and reliable than currently existing ones.
Computer Sciences
Sep 6, 2007
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Scientists from the California Institute of Technology have fabricated a motor that runs autonomously, and is powered only by the free energy of DNA hybridization. The molecular motor was inspired by bacterial pathogens such ...
"A hard rain's gonna fall..." So the Dylan song went... but when rain and storm surges fall on lands protected by weak levees, this means trouble…big trouble. Hurricanes Katrina and Rita were devastating reminders of this ...
Environment
Sep 6, 2007
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A common hospital superbug called Clostridium has a protective coat of armour that can self assemble when put into a test tube on its own, which may have important commercial uses in nanotechnology, according to scientists ...
Bio & Medicine
Sep 6, 2007
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