Also on the latest n-back study:
<a href="http://www.wired.com/wiredscience/2011/06/a-simple-exercise-to-boost-iq/" rel="nofollow">http://www.wired.com/wiredscience/2011/06/a-simple-exercise-...</a>
<a href="http://online.wsj.com/article/SB10001424052702304432304576371462612272884.html?mod=WSJ_LifeStyle_Lifestyle_11_1" rel="nofollow">http://online.wsj.com/article/SB1000142405270230443230457637...</a>