When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth that allows us to understand each other's emotions ...

You prepared thoroughly for a presentation at work, and now you’re dropping wisdom to a packed room. Much as you expected, your colleagues appear wowed and ...

Keira Knightley and Kristen Stewart are its best ambassadors. Instead of curving upwards, their mouths curve downwards, giving them a unique charm. The inverted smile, which doesn't follow the usual ...

He's a whole vibe!

When I started horse riding lessons at the age of eight, I was told that if a horse had its ears forward that was a good sign, and if horse had its ears back it wasn’t happy. Those riding lessons ...