![Radiolab show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/026/075/small/wnyc-s-radio-lab.jpg)
Summary: Psychologist Walter Mischel explains how one little test involving a marshmallow might tell you a frightening amount about what kind of person you are.
Summary: Psychologist Walter Mischel explains how one little test involving a marshmallow might tell you a frightening amount about what kind of person you are.