http://backblog.edublogs.org Another excellent Edublogs.org blog Wed, 25 Nov 2009 19:18:23 +0000 http://wordpress.org/?v=2.8.2 en hourly 1 http://backblog.edublogs.org/2007/08/02/have-a-laugh/ http://backblog.edublogs.org/2007/08/02/have-a-laugh/#comments Fri, 03 Aug 2007 01:47:10 +0000 brianbackman http://backblog.edublogs.org/2007/08/02/have-a-laugh/ Here’s an article from Discover about humor and its purpose.

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