I'm sure this is nothing new to anyone, but just thought I would pass it along since it shows a growing interest in the general public: http://www.nytimes.com/2007/11/13/science/13traff.html?_r=1&ref=science&oref=slogin - Carver -- "The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt." - Bertrand Russell