Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition ...
Environment
Jan 12, 2009
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Modern microscopy technology has allowed two scorpion biologists, Carsten Kamenz of the Humboldt University in Berlin and Lorenzo Prendini of the American Museum of Natural History, to study and document what is nearly invisible. ...
Jan 12, 2009
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A tiny particle syringe composed of polymer layers and nanoparticles may provide drug delivery that targets diseased cells without harming the rest of the body, according to a team of chemical engineers. This delivery system ...
Bio & Medicine
Jan 12, 2009
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Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds. How pollution affects a mountain range's ...
Earth Sciences
Jan 12, 2009
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A total of eight National Aeronautics and Space Administration sounding rockets will launch from Poker Flat Research Range in 2009. The rocket season is split into two launch windows. The first launch window opens Jan. 10, ...
Space Exploration
Jan 12, 2009
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In the 13th January print edition of the journal Current Biology, Instituto Gubenkian de Ciencia researchers provide insight into an old mystery in cell biology, and offer up new clues to understanding cancer. Inês Cunha ...
Jan 12, 2009
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(PhysOrg.com) -- A treasure trove of information about pre-human New Zealand has been found in faeces from giant extinct birds, buried beneath the floor of caves and rock shelters for thousands of years.
Jan 12, 2009
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A large fraction of the transcription factor Oct-1 is associated with the inner nuclear envelope, but how and why it is retained there was unknown.
Jan 12, 2009
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Girls targeted by bullies at primary school are two and a half times more likely to remain victims than boys, according to research from the University of Warwick and University of Hertfordshire.
Other
Jan 12, 2009
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(PhysOrg.com) -- Thousands of painstakingly handwritten books produced in medieval Europe still exist today, but scholars have long struggled with questions about when and where the majority of these works originated. Now ...
Jan 12, 2009
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