Thanks to Mind­Hacks for the link to a good Wash­ing­ton Post arti­cle, “Pump­ing Neurons”. A cou­ple of quotes: Recent research shows that the brain remains plas­tic, or basi­cal­ly train­able, through­out life. In a study pub­lished in the Jour­nal of the Amer­i­can Med­ical Asso­ci­a­tion in 2002, sig­nif­i­cant per­cent­ages of the 2,802 par­tic­i­pants age 65 and old­er…