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 ...

Don't miss the big stories. Like us on Facebook. For over a century, researchers have debated the following: Do facial expressions affect emotions, or do emotions create facial expression? Which comes ...

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, ...

Photo-Illustration by Chloe Dowling for TIME (Source Images: Klaus Vedfelt—Getty Images, Tim Robberts—Getty Images, Kelvin Murray—Getty Images, Robert Recker—Getty Images, Howard Kingsnorth—Getty ...