Good arti­cle on brain fit­ness and applied neu­ro­plas­tic­i­ty in the July 29th edi­tion of The New York­er, fea­tur­ing many Sharp­Brains friends. Men­tal­ly fit — Work­outs at the brain gym: “As recent­ly as a few decades ago, most biol­o­gists thought that the brain was ful­ly formed dur­ing child­hood and, like a pho­to­graph after it’s been devel­oped, was…