Amy Bishop — the University of Alabama biology professor accused of opening fire on her colleagues and killing three of them in 2010 — has entered a plea of not guilty by reason of mental disease or defect, reports the Nature News blog's Meredith Wadman. The trial is set to begin on March 19, 2012, and the prosecution is seeking the death penalty, she adds.

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Mary Beckerle has been removed as director of the Huntsman Cancer Institute in what one researcher refers to as a "coup," ScienceInsider reports.

Bill Gates tells the Telegraph that bioterrorism is a serious risk.

The March for Science is to take place tomorrow, and supporters are tapping their creative energies to create placards to carry.

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