The results of Katie Ginella's lie-detector test on The Real Housewives of Orange County marked a major turning point for the group — and sparked several emotional reactions in the process. After ...

Adam B lets his little brother test if he smells bad with a lie detector and hilarity ensues. Trump wanted airport, station named after him in return for funding: report Four things to know about the ...

Lie detector tests are often treated as truth machines, but they’re far from perfect. In this video, we explain how polygraphs work and why people sometimes pass them even when they shouldn’t. Rather ...