Want to know what expressions people in Papua New Guinea or Siberia use most? Look in the mirror. A study making waves this week in Nature finds that people around the world show emotion on their ...

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How could a human mother tell that her child is upset? Humans can distinguish the meanings of facial expressions of our fellow species either explicitly through speech or implicitly by context. When ...

When a baby smiles at you, it's almost impossible not to smile back. This spontaneous reaction to a facial expression is part of the back-and-forth that allows us to understand each other's emotions ...

The human facial action coding system, or FACS, has been developed as a tool for cross-species systematic comparisons of facial muscles to help interpret the resulting facial expressions of the common ...

Have you ever been in a good mood and everyone is asking you what's wrong? Or, were your bedroom eyes mistaken as creepy? Well, reading people is a definite skill so we enlisted communications expert ...