July 20, 2013:
Another interesting article coming at ya!
This one is for the history buffs, the nutrition buffs and anyone interested in unique correlations.
How Adding Iodine To Salt Resulted In A Decade’s Worth Of IQ Gains For The United States
Some more reading too… The Flynn Effect: http://www.princeton.edu/~achaney/tmve/wiki100k/docs/Flynn_effect.html