Where Do Our Facial Expressions Come From?

The video explores the universality and innateness of facial expressions, tracing back to Darwin's theories and Ekman's cross-cultural research. It introduces the Facial Action Coding System (FACS) for measuring expressions and discusses the evolutionary role of expressions in sensory input and survival. The video also highlights the balance between innate expressions and learned social cues.

What new insight or understanding did you gain from this video?