The Federal Bureau of Investigation (FBI) has found itself embroiled in a rather odd situation involving polygraph tests. In April, it confirmed to NPR that it was using these tests to catch personnel ...

Have you ever wondered whether lie detectors actually...work? Join us as we delve into the history and science behind these devices - from how they measure "deception" to the controversies surrounding ...

Leonarde and Katherine Keeler pose with the Keeler Polygraph machine, 1935. Courtesy Everett Collection. This article is the first in a series called A Thousand Words, where we feature an interesting ...