Minister Dwight Nelson’s faith in polygraph tests is no doubt well meant. However, his faith seems ill-placed, as scientists have largely discredited polygraphy. Given scarcity of resources, it is ...

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 ...

Prof Yael Hanein sticks a number of electrodes to the left side of my face. "Move your eyes, blink, smile. Now try to relax," she says. "We will see if you are a good or bad liar shortly." Prof Hanein ...