It used to be that the most feared instrument in the arsenal of a police investigator was the polygraph, or lie detector machine. Now the most feared thing might be a simple microphone and a laptop ...

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 ...

Scientists in Israel have leveraged commercially available sensors to develop an advanced lie-detection system they say outperforms any other known method. The technology relies on electrodes attached ...