This Is What It Looks Like to Have a World-Class Memory

You probably juggle a phone number or two around in that skull of yours just out of necessity, but there are memorization experts out there who would put you to shame. At this year's World Memory Championships, champion Johannes Mallow memorized a 2,245 digit number and the order of 1144 playing cards each in just an… » 1/28/13 2:45pm 1/28/13 2:45pm