Have you ever been so fed-up with colleagues at work that you considered poisoning them? Hopefully not, but at least one lab researcher can claim to have been stressed to the point of insanity. A postdoc in the urology department at the University of California, San Francisco, was arrested last week and charged this week for attempted murder, after he slipped a chemical buffering agent designed to control acid levels in lab solutions into a colleague's drink. The postdoc, Benchun Liu, admitted to police that he had tried to poison his colleague in the lab, Mei Cao, twice before admitting to Cao what he'd done. "If he hadn't have told her, we would have had no idea he was doing this," UCSF police captain Paul Berlin told the linkurl:San Francisco Chronicle.;http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2008/11/11/BABA142C6E.DTL Apparently Cao had noticed in each case that her water had turned blue, but drank it anyway....

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