Archive: 02/12/2008

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 3.8 / 5 (5) 2

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 5 / 5 (1) 0

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 mechan ...

Feb 12, 2008 4.5 / 5 (2) 0
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