Facial color could help decode emotion
Decoding others emotions by observing subtle changes in facial colour

Researchers have found that we can identify emotions of others with 75% accuracy by just observing changes in colour around the nose, eyes and the chin. They superimposed different emotional colour patterns on pictures sans emotions and discovered that only colour could pretty accurately denote emotion. This colour signal is independent of the facial muscle activation. This has also helped them develop AI algorithms which can identify human emotion with 90% accuracy. Now, such research could help develop smart cosmetics which could either play up or conceal certain emotions.

Read the full story: Ohio State University
Scientific publication: PNAS