Eighty years ago this week, inventor Leonarde Keeler proudly proclaimed his expert testimony before a Wisconsin jury to be “a signal victory for those who believe in scientific crime detection.” One ...

Instead of falsehoods, this polygraph is designed to sense underlying stress that’s hidden deep within the body, researchers ...

Most people think polygraphs — also called lie-detector tests — can determine whether you're lying. But the technology has its critics. "The public needs to know that polygraph testing has no ...

From schlocky daytime TV (Did you cheat on your girlfriend?) to police interrogations (Did you shoot him?), the old-fashioned polygraph is still considered a reliable way to get to the truth by many ...

Engineers at Northwestern University have created a wireless polygraph to detect stress.

Northwestern University engineers have developed a small, wireless polygraph system you can wear. Unlike polygraphs used in ...

Summary: Engineers and physicians developed a miniature, wireless polygraph system that is worn as a soft, lightweight ...

The Ramseys volunteered to take polygraph tests in interviews they gave to promote last month's release of their book, "The Death of Innocence." In the book, which gives their account of their ...