Researchers used an algorithm to allow people to refine what they thought the facial expression of a particular emotion should look like. The results show profound individual differences, suggesting ...

In 1862, French neurologist Guillaume-Benjamin-Amand Duchenne de Boulogne published The Mechanism of Human Facial Expression, a scientific and aesthetic text on the ways in which the muscles of the ...

This 1936 portrait by Dorothea Lange shows Florence Owens Thompson with several of her children in a photograph known as "Migrant Mother." Source: Dorothea Lange/Public Domain Photographers and ...

Whether at a birthday party in Brazil, a funeral in Kenya, or protests in Hong Kong, humans all use variations of the same facial expressions in similar social contexts, such as smiles, frowns, ...

Humans domesticated dogs about 30,000 years ago. Since then, we've worked with them, hunted with them, played with them, and come to rely on them for companionship. And, in the process, we've bred ...

Over time, we’ve learned how to read the body language of horses – from understanding whether the movement of its ears, head, legs and tail mean its relaxed, anxious, angry or alert. But it turns out ...