How observant are you?

It may happen to any of us, anytime, anywhere, whenever we get behind the wheel of a car. It may have happened to the submarine commander whose sub slammed into a Japanese fishing vessel.

It may have happened to the Boston cop who was so intent on chasing a suspect down a street that he raced right by a brutal beating.

In fact, it occurs so often in everyday life, that a psychology professor, Daniel Simons, made it a big part of his career to explain this astonishing phenomenon of human nature. He began by developing some of academic science's most innovative and startling experiments. How would you do in this test of obsevation? Click on the link below to learn about the experiment.