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, ...

Do your facial movements broadcast your emotions to other people? If you think the answer is yes, think again. This question is under contentious debate. Some experts maintain that people around the ...

If you were to travel anywhere in the globe -- even to visit remote tribes who have scant contact with the larger world -- would people be able to read your emotions from your facial expressions ...