Why Are You Crying?

We can cry out of sadness, fear, frustration, anger, or even joy. But why do streams of liquid leave our eyes? The truth is no one really knows for sure. In a scientific sense, we’re the only organisms who tear up due to our emotions. Other creatures do so merely to remove irritants from their eyes. Another interesting find is that tears formed from different emotions actually contain different chemical makeups. Jeff and Anthony have a candid discussion about this phenomenon they have no first hand experience with.  More Details/Download MP3 →

Halve A Seat

At the University of Chicago in the early 1920s, psychology grad student William Blatz built a remote-controlled trick chair that would collapse when he pressed a switch. (It was padded to avoid injury.) Then he had subjects sit in the chair while wearing electrodes to measure heart rate and other vital signs. Blatz’s goal was to “study the physiology of fear under controlled, repeatable conditions.” Jeff and Anthony take a seat and discuss Blatz and his life’s work.  More Details/Download MP3 →