In this segment, we explore the rise and fall of a group of professional laughers hired to laugh for money on Fran Drescher's show "The Nanny." Then JoAnne Bachorowski, a psychologist at Vanderbilt University, says that giggling girls have more power than you think. She studies the sound of laughter, ...
This hour of Radiolab teases out stories of laughter--from a baby’s crib, to a rat’s cage, to a remote village in Tanzania that was struck by a laughing epidemic 45 years ago.