neuroeconomics from Brad Delong. But back to Virgina Postrel <A HREF="http://www.nytimes.com/2003/02/27/business/27SCEN.html?pagewanted=print&position=top" target="_new">http://www.nytimes.com/2003/02/27/business/27SCEN.html?pagewanted=print&position=top</A> This is at least fun, better? Life through chemistry.