2017-07-28, 18:55
Researchers crack the smile, describing three types by muscle movement
The smile may be the most common and flexible expression, used to reveal some emotions, cover others and manage social interactions that have kept communities secure and organized for millennia. But how do we tell one kind of smile from another?
http://feeds.sciencedaily.com/~r/science...184835.htm
The smile may be the most common and flexible expression, used to reveal some emotions, cover others and manage social interactions that have kept communities secure and organized for millennia. But how do we tell one kind of smile from another?
http://feeds.sciencedaily.com/~r/science...184835.htm