Controversy erupts over banning Furadan
The American Bird Conservancy said the U.S. Environmental Protection Agency is being pressured to reverse a ban on the use of a pesticide.
Environment
Feb 12, 2008
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12/02/2008
Parks face overpopulation of elk
Growing elk herds are causing problems for other animals by eating a majority of the greenery at national parks in Colorado and the Dakotas, park officials say.
Feb 12, 2008
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Two Canadian astronauts to return to space
Two veteran Canadian astronauts were named in Quebec Monday for separate space missions next year, the Canadian Space Agency announced.
Space Exploration
Feb 12, 2008
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Dramatic declines in wild salmon populations are associated with exposure to farmed salmon
Since the late 1970s, salmon aquaculture has grown into a global industry, producing over 1 million tons of salmon per year. However, this solution to globally declining fish stocks has come under increasing fire. In a new ...
Feb 12, 2008
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Gene regulators bind promiscuously, but often do nothing
Biologists are developing ever more sophisticated means to characterize molecular interactions in living systems. But a new study suggests that many of the interactions detected by a widely-used experimental method are functionally ...
Feb 12, 2008
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Prions link cholesterol to neurodegeneration
Prion infection of neurons increases the free cholesterol content in cell membranes. A new study published in the online open access journal BMC Biology suggests that disturbances in membrane cholesterol may be the mechanism ...
Feb 12, 2008
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Biologists race to clear a path to survival for Northwestern cougars
Cougars have been under siege in the United States since the arrival of European settlers, victims of extirpation campaigns and habitat destruction as inhabitants converted wilderness to farmland and pasture. These campaigns ...
Feb 12, 2008
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