Comments on: This is basic chemistry http://westnorth.com/2009/09/18/this-is-basic-chemistry/ an irregular view on cities Tue, 31 Jan 2012 00:54:42 +0000 hourly 1 http://wordpress.com/ By: payton http://westnorth.com/2009/09/18/this-is-basic-chemistry/#comment-16714 Thu, 06 May 2010 18:07:01 +0000 http://westnorth.com/?p=1689#comment-16714 A less succinct version of this that goes into current “controversies,” from the Economist.

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