Popular culture is fascinated with the ability to detect liars. Lie detector tests are a staple of police dramas, and TV shows such as “Poker Face” feature “human polygraphs” who detect deception by picking up tell-tale signs in people’s behavior.
Click here for original story, Lie detection tests have worked the same way for 3,000 years, and they’re still hopelessly inaccurate, say researchers
Source: Phys.org