The 16 facial expressions most common to emotional situations worldwide - Phys.org

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, grimaces and scowls, a new study from the University of California… https://phys.org/news/2020-12-facial-common-emotional-situations-worldwide.html