A new gold rush is sweeping through Latin America with devastating consequences, ravaging tropical forests and dumping toxic chemicals as illegal miners fight against big international projects.
May 15, 2012
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As recently as twenty-five years ago, chemists considered gold to be one of the most inert metallic elements, until the discovery that nanoscale-sized dispersions of gold had high catalytic activity forced ...
May 10, 2012
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Microsoft began testing whether a pricing strategy that has been a hit with smartphones will invigorate sales of its Xbox 360 videogame consoles.
May 08, 2012
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Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) and the University of California (UC) Berkeley have directed the first self-assembly of nanoparticles into device-ready materials. Through ...
Apr 27, 2012
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Copper -- the stuff of pennies and tea kettles -- is also one of the few metals that can turn carbon dioxide into hydrocarbon fuels with relatively little energy. When fashioned into an electrode and stimulated ...
Apr 11, 2012
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(Phys.org) -- Diagnostic tests that rapidly detect disease-causing viruses in animals and humans are being developed by U.S. Department of Agriculture (USDA) scientists using a new technology called "surface-enhanced ...
Apr 10, 2012
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All that glitters is gold under a new thermochemical process developed by Colombian engineers for color-tinting the precious metal to make it look like sapphires, rubies or emeralds.
Apr 08, 2012
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(Phys.org) -- Nanothermal therapy – the use of nanoparticles to cook a tumor to death – is one of the many promising uses of nanotechnology to both improve the effectiveness of cancer therapy and reduce its side ...
Apr 06, 2012
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Nanotechnology offers powerful new possibilities for targeted cancer therapies, but the design challenges are many. Northwestern University scientists now are the first to develop a simple but specialized nanoparticle that ...
Apr 05, 2012
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Take an ounce of lettuce, test it for 17 hours, and the results show whether that mainstay ingredient in green salads is contaminated with Salmonella, the food poisoning bacteria that sickens millions of people each year. ...
Mar 28, 2012
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(PhysOrg.com) -- They look like fruit, and indeed the nanoscale stars of new research at Rice University have tasty implications for medical imaging and chemical sensing.
Mar 27, 2012
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(PhysOrg.com) -- Gold nanoparticles can be used as delivery vehicles for platinum anticancer drugs, improving targeting and uptake into cells, according to research published in this month's edition of the ...
Mar 21, 2012
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In the human body genetic information is encoded in double-stranded deoxyribonucleic acid building blocks, the so-called DNA. Using artificial DNA molecules, an international team of scientists headed by the ...
Mar 14, 2012
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Scientists at Johannes Gutenberg University Mainz (JGU) in Germany have developed a new method of observing individual proteins.
Mar 14, 2012
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Advances in fuel-cell technology have been stymied by the inadequacy of metals studied as catalysts. The drawback to platinum, other than cost, is that it absorbs carbon monoxide in reactions involving fuel ...
Mar 12, 2012
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