How do you get a genius brain? Is it all in your genes? Or is it hard work? Is it possible that everyone’s brain has untapped genius–just waiting for the right circumstances so it can be unleashed?

From a man who can immediately name the day of the week of any date in history to a “memory athlete” who can remember strings of hundreds of random numbers, David Pogue meets people stretching the boundaries of what the human mind can do.

Video aired October 24, 2012 on PBS