Meet scream researcher Harold Gouzoules , an Emory psychologist, and hear how goats yell, frogs screech and humans use screams as nonverbal forms of...

Research from Emory University’s psychology department reveals the hidden intricacies of screams. These primal vocalizations are found across various...

Hear how goats yell, frogs screech and humans use screams as nonverbal forms of sometimes critical communication. On Second Thought is joined by Harold...