Update README.md

BarrySmith · BarrySmith · commit f0f3532f6114 · 2016-03-11T10:54:06.000-06:00
diff --git a/README.md b/README.md
@@ -82,6 +82,11 @@ external packages that are needed by the
     --download-ideas   Install xSDK packages and external software needed by Amanzi.
 ```
 
+## Humor
+
+http://xkcd.com/1654/
+
+
 ##Notes
   
 ```no-highlight
