not quite related.

http://en.wikipedia.org/wiki/Potassium_chloride

http://www.edge.org/3rd_culture/schirrmacher09/schirrmacher09_index.html#rc

http://www.iop.org/activity/awards/International%20Award/newton09/page_37514.html

http://www.3quarksdaily.com/3quarksdaily/2009/11/science-saturday-verbs-and-violence.html