Dogs recognize smiling faces 00:33. Potty training dogs has a lot to do with raising your voice and pointing fingers. But maybe a smile or a frown is the way to go.

There's a way to take the edge off a situation without using triggering phrases that can make people even more irritated.

Then, to test the dogs, researchers showed them different images than the ones used in training, using either a different half of a face the dogs already saw or an altogether new person’s top or ...

Researchers trained a group of 11 dogs to distinguish between images of the same person making either a happy or an angry face. During the training stage, each dog was shown only the upper half or ...

Looking at what a person’s nose and eyebrows are doing can differentiate between a happy smile and an angry smile, for example, or a smile that’s triggered by a social situation rather than an ...

Certain people feel like they're seeing monsters everywhere due to a frightening, ultra-rare condition that causes everyone to look like they have an evil smile, per a study published in "The Lancet." ...

The last thing that most of us want to deal with is an angry person in our face. But chances are, sooner or later, it’s going to happen. So what do we do? And, maybe more importantly, what ...