Former inhabitants of the Amazon Basin enriched their fields with charred organic materials-biochar-and transformed one of the earth's most infertile soils into one of the most productive. These early conservationists disappeared ...
Environment
Dec 17, 2008
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Concern about increasing ocean acidification has often focused on its potential effects on coral reefs, but broader disruptions of biological processes in the oceans may be more significant, according to Donald Potts, a professor ...
Environment
Dec 17, 2008
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Engineers here are developing a computerized surveillance system that, when completed, will attempt to recognize whether a person on the street is acting suspiciously or appears to be lost. Intelligent video cameras, large ...
Engineering
Dec 17, 2008
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(PhysOrg.com) -- Suppose you want to build a computer that operates like the brain of a mammal. How hard could it be? After all, there are supercomputers that can decode the human genome, play chess and calculate prime numbers ...
Engineering
Dec 17, 2008
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(PhysOrg.com) -- In 2006, certain cafeterias on U of T’s St. George campus began serving meals made from ingredients grown mostly in Ontario – an initiative undertaken with Local Food Plus, an organization that promotes ...
Other
Dec 17, 2008
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(PhysOrg.com) -- AMD has introduced a new dual-core desktop processors aimed at the value end of the consumer market. The new Athlon X2 7000 series, which is available now, are the company's first dual core chips based on ...
(PhysOrg.com) -- Astronomers have found the most distant water yet seen in the Universe, in a galaxy more than 11 billion light-years from Earth. Previously, the most distant water had been seen in a galaxy less than 7 billion ...
Astronomy
Dec 17, 2008
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(PhysOrg.com) -- Biologists face the major challenge of understanding genetic and environmental risk factors underlying human diseases. Surprisingly, animal species in the wild have sometimes acquired the characteristics ...
Dec 17, 2008
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The common wisdom is that the invention of the steam engine and the advent of the coal-fueled industrial age marked the beginning of human influence on global climate.
Earth Sciences
Dec 17, 2008
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(PhysOrg.com) -- It’s no simple matter to figure out how regional changes in precipitation, expected to result from global climate change, may affect water supplies. Now, a new analysis led by MIT researchers has found ...
Environment
Dec 17, 2008
2
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