The U.S. government's request that the journals Science and Nature withhold scientific information related to the genetically modified H5N1 virus because of biosecurity concerns does not violate the First Amendment, say two ...
Other
Jan 19, 2012
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Extraordinarily cold temperatures in the winter of 2010/2011 caused the most massive destruction of the ozone layer above the Arctic so far: The mechanisms leading to the first ozone hole above the North Pole were studied ...
Earth Sciences
Jan 19, 2012
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The "AmpaCity" project has been kicked off: The RWE Group and its partners are just about to replace a 1-kilometre-long high-voltage cable connecting two transformer stations in the Ruhr city of Essen with a state-of-the-art ...
Engineering
Jan 19, 2012
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Designing an all-terrain robot for search-and-rescue missions is an arduous task for scientists. The machine must be flexible enough to move over uneven surfaces, yet not so big that it's restricted from tight spaces. It ...
Robotics
Jan 19, 2012
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The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. With reflexes that rival a fighter ...
Computer Sciences
Jan 19, 2012
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(PhysOrg.com) -- Consider for a moment, all the circuit boards that have been made, particularly those in the past few years. Most have two parts to them, not including the board itself. The first are parts that do things, ...
The origin of life is seen as the formation of the first biomolecules which may be subject to multiplication and further development. Hitherto it was unclear, which reactions could have triggered the evolution of this ur-metabolism. ...
Biochemistry
Jan 19, 2012
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(PhysOrg.com) -- ESO's VISTA telescope, at the Paranal Observatory in Chile, has captured a striking new image of the Helix Nebula. This picture, taken in infrared light, reveals strands of cold nebular gas that are invisible ...
Astronomy
Jan 19, 2012
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A comprehensive multi-disciplinary synthesis just published in Environmental Reviews reveals the urgent need for further investigation and policy development to address significant environmental, social and economic impacts ...
Ecology
Jan 19, 2012
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Last year, earthquakes and their consequences, such as tsunamis, landslides, and ground settlements, caused a damage of 365 billion US dollars. Hence, 2011 was the year with the so far highest economic losses due to earthquakes. ...
Economics & Business
Jan 19, 2012
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