A new and insidious environmental threat has been detected in North American lakes by researchers from Queen's and York universities.
Nov 27, 2008
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U.S. science and engineering students emerge from graduate school exquisitely trained to carry out research. Yet when it comes to the other major activity they'll engage in as professors – teaching – they're usually left ...
Other
Nov 27, 2008
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Hereditary information flows from parents to offspring not just through DNA but also through the millions of proteins and other molecules that cling to it. These modifications of DNA, known as "epigenetic marks," act both ...
Nov 27, 2008
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If chromosomes snuggle up too closely at the wrong times, the results can be genetic disaster. Now researchers have found the molecular machines in fruit flies that yank chromosomes, the DNA-carrying structures, apart when ...
Nov 27, 2008
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It won't help the Titanic, but a newly derived, simple law may help scientists improve their climate models and glaciologists predict where icebergs will calve off from their parent ice sheets, according to a team of Penn ...
Earth Sciences
Nov 27, 2008
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(PhysOrg.com) -- Plastics are everywhere in our modern world, largely due to properties that render the materials tough and durable, but lightweight and easily workable. One of their most useful qualities, however - the ability ...
Nov 27, 2008
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(PhysOrg.com) -- Planet hunters searching for planets suitable for life will likely find them first around low-mass stars because it's technically easier than finding such planets around hotter, more massive stars, researchers ...
Astronomy
Nov 27, 2008
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(PhysOrg.com) -- In addition to its iridescent beauty, mother of pearl, or nacre, the inner lining of the shells of abalone, mussels and certain other mollusks, is also renowned for an amazing strength and toughness that ...
Nanophysics
Nov 27, 2008
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(PhysOrg.com) -- When consumers use their cell phones, reception can depend on the strength of the signals coming to and from wireless base stations. Those base stations in turn depend on high-power amplifiers to extend their ...
Electronics & Semiconductors
Nov 27, 2008
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(PhysOrg.com) -- Scientists at the University of Toronto analysed Canadian fisheries data to determine the effect of the "keep the large ones" policy that is typical of fisheries. What they found is that the effect of this ...
Nov 27, 2008
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