05/05/2009

How Social Insects Recognize Dead Nestmates

(PhysOrg.com) -- When an ant dies in an ant nest or near one, its body is quickly picked up by living ants and removed from the colony, thus limiting the risk of colony infection by pathogens from the corpse.

Research shows why certain arterial plaques can turn deadly

A common misconception about arterial plaque is that it inevitably leads to a heart attack or a stroke. New research at Columbia University Medical Center, however, sheds light on why so few plaques in any given individual ...

EPA: ethanol crops displaces climate-friendly ones

(AP) -- The Environmental Protection Agency says that corn ethanol - as made today - wouldn't meet a congressional requirement that ethanol produce 20 percent less greenhouse gas than gasoline. But the agency said it is ...

Libraries eye stimulus money for their Web access

(AP) -- The libraries in Delaware County, Pa., are trying to shift into warp speed. The county is hooking eight branches to a fiber-optic network to help meet library patrons' ever-rising demand for high-bandwidth tasks like ...

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