The Mentat Wiki explores ways to become a better thinker.
Topics include Memory Techniques, Mental Math, Critical Thinking, Brain Storming, and Shorthand. Other relevant topics are also welcome. How have you made yourself smarter?
Closely associated with the NotebooksWiki? http://notebooks.wiki.taoriver.net/ which has some information on (hand-drawn) mind maps.
CategoryEducation CategoryMindMap?