Spin Control: New Technique Sorts Nanotubes by Length
Nanotechnology / Nanomaterials
May 14, 2008 |
4.8 / 5 (14) |
1
Researchers at the National Institute of Standards and Technology (NIST) have reported a new technique to sort batches of carbon nanotubes by length using high-speed centrifuges. Many potential applications ...
Undergraduates develop 'dirt-powered' microbial fuel cells to light Africa
May 14, 2008 |
4.6 / 5 (12) |
0
A team composed of Harvard students and alumni was among the winners of the World Bank’s Lighting Africa 2008 Development Marketplace competition, held in Accra, Ghana from May 6 to 8, 2008. The innovation, microbial fuel ...
Restoring fish populations leads to tough choice for Great Lakes Gulls
May 14, 2008 |
4.7 / 5 (10) |
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You might think that stocking the Great Lakes with things like trout and salmon would be good for the herring gull. The birds often eat from the water, so it would be natural to assume that more fish would mean better dining. ...
Compound has potential for new class of AIDS drugs
Medicine & Health / HIV & AIDS
May 14, 2008 |
5 / 5 (8) |
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Researchers have developed what they believe is the first new mechanism in nearly 20 years for inhibiting a common target used to treat all HIV patients, which could eventually lead to a new class of AIDS drugs.
Scientists aim to unlock deep-sea 'secrets' of Earth's crust
Space & Earth / Earth Sciences
May 14, 2008 |
4.2 / 5 (9) |
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Scientists from Durham University will use robots to explore the depths of the Atlantic Ocean to study the growth of underwater volcanoes that build the Earth’s crust.
Improved Ion Mobility Is Key to New Hydrogen Storage Compound
May 14, 2008 |
4.8 / 5 (8) |
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A materials scientist at the National Institute of Standards and Technology has deciphered the structure of a new class of materials that can store relatively large quantities of hydrogen within its crystal ...
Tooth loss strongly linked to risk of esophageal, head and neck, and lung cancer
May 14, 2008 |
4.6 / 5 (8) |
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Studying thousands of patients, Japanese researchers have found a strong link between tooth loss and increased risk of three cancers – esophageal, head and neck, and lung. They suggest that preservation of teeth may decrease ...
Mouse study: When it comes to living longer, it's better to go hungry than go running
Biology /
May 14, 2008 |
4.5 / 5 (8) |
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A study investigating aging in mice has found that hormonal changes that occur when mice eat significantly less may help explain an already established phenomenon: a low calorie diet can extend the lifespan of rodents, a ...
Deep sea methane scavengers captured
Biology /
May 14, 2008 |
4.4 / 5 (8) |
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Scientists of the Helmholtz Centre for Environmental Research (UFZ) in Leipzig and the California Institute of Technology (Caltech) in Pasadena succeeded in capturing syntrophic (means "feeding together") ...
New treatment for hepatitis C
May 14, 2008 |
4 / 5 (8) |
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Researchers at the University of Oklahoma Health Sciences Center have found a new use for an old drug. Their findings appear online in the American Journal of Gastroenterology.
Recipe for energy saving unravelled in migratory birds
Biology /
May 14, 2008 |
4.4 / 5 (7) |
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Pointed wings together with carrying less weight per wing area and avoidance of high winds and atmospheric turbulence save a bird loads of energy during migration. This has been shown for the first time in free-flying wild ...
Discovery of cell linked to learning and memory
May 14, 2008 |
4.3 / 5 (7) |
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Queensland Brain Institute (QBI) neuroscientists at The University of Queensland have discovered a fundamental component of the process that regulates memory formation.
Slowing light to speed data: USC Viterbi School wins $4.3M photonics IT contract
May 14, 2008 |
4.3 / 5 (7) |
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Two prize-winning USC specialists hope to break a bottleneck that has long limited communication systems from using light - photons - instead of electronics for data information processing.
Disorder Enables Extreme Sensitivity in Piezoelectric Materials
May 14, 2008 |
4.3 / 5 (7) |
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A research team working at the National Institute of Standards and Technology has found an explanation for the extreme sensitivity to mechanical pressure or voltage of a special class of solid materials called relaxors. The ...
Monarch butterflies help explain why parasites harm hosts
Biology /
May 14, 2008 |
4.8 / 5 (6) |
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It’s a paradox that has confounded evolutionary biologists since Charles Darwin published On the Origin of Species in 1859: Since parasites depend on their hosts for survival, why do they harm them?
