The X-Change Files explores the intersections of science and entertainment, regularly taking a look at the ways in which science is portrayed in film and television. Learn More
A spike in blood pressure, a quickening in breathing, a rise in the electrical conductivity of skin…. These are the signs of a liar, at least, according to a polygraph test. But what if you were telling the truth?
The Science and Entertainment Exchange is a nonprofit program of the National Academy of Sciences.