The Trolley Problem is an ethical dilemma. A train is heading down the tracks toward five people. If you do nothing, those five people will die. If you switch the tracks, the train will kill only one person. What do you do?
Exploring this conundrum is what Dr. E. J. Masicampo, a social psychologist at Wake Forest University, does for a living. He enlisted the assistance of his two-year old son Nicholas, who offers a unique and fresh solution that had never occurred to me before.
-via Born in Space