Howie Mandel: "No, but she has to LOOK"

Sometimes we just don't see what's in plain sight. Prof. Daniel Simons points out this funny example of inattentional blindness on his Tumblr blog. Co-author of the "The Invisible Gorilla" and a Psychology professor at the University of Illinois, Prof. Simons will participate in IdeaFestval 2011.

The lowest priced all-access passes of the year are now on sale for a limited time. I hope to see you in September!