After reading this, I also found this interesting article on degrees per square mile: http://blog.robpitingolo.org/2010/05/where-smart-people-live.html http://b

After reading this, I also found this interesting article on degrees per square mile: http://blog.robpitingolo.org/2010/05/where-smart-people-live.html http://blog.robpitingolo.org/2010/05/where-smart-people-live...