Keira Knightley and Kristen Stewart are its best ambassadors. Instead of curving upwards, their mouths curve downwards, ...

We are often confronted with a facial expression that makes us feel uncomfortable or we sense there is something wrong. Most of us don’t go further than saying, “That just doesn’t seem right,” or, ...

Facial expressions play a fundamental role in social communication. While it is well established that others’ expressions influence our behavior—such as approaching a smiling person or avoiding an ...

Often called the world’s most famous face reader, he inspired the TV show ‘Lie to Me.’ But some questioned his assumption that human expressions were ‘pan-cultural.’ Credit: Gemma Cubero del ...