Mr. Höller’s puckish “Book of Games” probably won’t drive you ... one of the easiest ways to knock one’s mind from the grooves of habit. In the world of a game, the arbitrary becomes ...

Sometimes you can catch your brain trying to, well, make up its mind about how to present such information. Here we offer a series of optical brainteasers culled from Phantoms in the Brain ...

Mind Games Another great way to keep your motivation high is to enlist a buddy who has similar goals. When you buddy-up, you both strengthen your commitments because you don't want to let the ...