February 20–21
Free science discussion sessions and demos are open to the public at the AAAS annual meeting in San Diego. See www.aaas.org/meetings/2010
February 24–26
The International Stroke Conference 2010 is held in San Antonio. See strokeconference.org
March 31
New nomination deadline for the 2010 National Medal of Science. Get forms at www.nsf.gov/od/nms/medal.jsp
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