I often say I have a bad memory. In fact, it is perfectly possible for me to lose track of what I’m writing in the middle of a . . . um . . . never mind. To improve my memory and enhance my other brain skills, I love doing mental math, logic, and word puzzles. Nowadays, my smartphone hosts a whole range of tools to help with this.
By Kit Eaton| New York Times June 17, 2013
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