Why do humans only have 4 facial expressions?
Although it was accepted across all cultures that there are six basic emotional expressions, new research finds that we actually may just have four.
Key Facts In This Video
It was a common theory that among all humans, there are only six different facial expressions. (0:19)
Scrunching one's nose is an indicator for both anger and disgust. (1:51)
The details of your facial expressions are largely influenced by your culture. (2:09)