The conventional polygraph lie detector looks for body changes linked with lying such as sweating and changes in blood pressure, heart rate and breathing. But Dr Scott Faro and his team say the ...

It is often said that people who lie cannot help but give it away by the look in their eyes. Now scientists are developing a lie detector that can tell if someone is telling the truth by monitoring ...

FACE-recognition technology could be used to detect lies being told when questioning terror suspects or at airport security checks, scientists in Yorkshire have ...

US scientists believe they may be able to develop a more reliable lie-detector test - by listening to liars' stomachs. Conventional polygraph tests, which are 80 to 90% accurate, use changes such as ...