New scientific research suggests that kids these days are better than grownups when it comes to waiting. WHAT?! Join Mindy and Guy Raz in the waiting room of the dentist's office, as they explore how scientists used MARSHMALLOWS in the scientific experiment that lead to this discovery! It's the Who, What, When, Where, Why, How, and Wow in the World of Waiting! Originally Aired September 17th 2018.