02/10/2012

Valentine’s Day Special: Look Of Love

Wondering if your sweetheart reciprocates? Look into her eyes. Studies show that our pupils dilate when we feel strong emotions. Psychologist Bruno Laeng, of the University of Oslo, explains how scientists are using “pupillometry” and what pupil diameter suggests about mental activity.

Meet the Producer

About Flora Lichtman

Flora Lichtman is host of the podcast Every Little Thing. She’s a former Science Friday multimedia producer.