RealClearScience - Tear Gashttp://www.realclearscience.com/topic/topic.php?id=9778Tear GasTopic Egyptian Protesters Fight Tear Gas With Soda http://www.slate.com/id/2284180/ Brian Palmer, Slate 100239712 Entries Tue, 08 Feb 2011 00:00:00 -0500 69546