Known in America chiefly as the bane of hikers, the single-celled intestinal parasite Giardia lamblia is a major cause of diarrheal illness worldwide with estimates of 100 million infections a year. The parasite colonizes ...
Dec 3, 2007
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Scientists at the Naval Research Laboratory (NRL) have generated, modulated and electrically detected a pure spin current in silicon, the semiconductor used most widely in the electronic device industry. Magnetic contacts ...
General Physics
Dec 3, 2007
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Researchers at Cornell are working to use the same energy that drives sperm to power nanoscale robots or to deliver chemo drugs or antibiotics, for example, to targeted sites within the body. The findings were presented at ...
Bio & Medicine
Dec 3, 2007
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The next generation of laptops, desk computers, cell phones and other semiconductor devices may get faster and more cost-effective with research from Clemson University.
Electronics & Semiconductors
Dec 3, 2007
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“In cosmology there’s this quantum effect,” Ralf Schützhold tells PhysOrg.com. “In the universe, there is a ground state, where it is empty. But if the universe starts to expand or contract, the vacuum is distorted, ...
The Society for American Archaeology (SAA) has condemned a proposed rule by the U.S. Department of Interior that would put in jeopardy the highly productive compromise that was reached when the Native American Graves Protection ...
Dec 3, 2007
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MIT engineers have used ultraviolet light to sculpt three-dimensional microparticles that could have many applications in medical diagnostics and tissue engineering. For example, they could be designed to act as probes to ...
Dec 3, 2007
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Palaeontologist Dr Phil Manning, working with National Geographic Channel has uncovered the Holy Grail of palaeontology in the United States: a partially intact dino mummy.
Archaeology
Dec 3, 2007
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“Dark star crashes, pouring its light into ashes” – The Grateful Dead, 1967. Perhaps the first stars in the newborn universe did not shine, but instead were invisible “dark stars” 400 to 200,000 times wider than ...
General Physics
Dec 3, 2007
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The most extensive and detailed study to date of 130 North American tree species concludes that expected climate change this century could shift their ranges northward by hundreds of kilometers and shrink the ranges by more ...
Environment
Dec 3, 2007
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