Some of the earliest work in the area was done by psychologist and "facial coding" expert Paul Ekman. While experimenting with negative facial expressions like frowns, Ekman found that his mood seemed ...

From Sinatra to Katy Perry, celebrities have long sung about the power of a smile -- how it picks you up, changes your outlook, and generally makes you feel better. But is it all smoke and mirrors, or ...

We know our faces may give away our fibs -- whether it's shifty eyes, a sweaty upper lip, a slight smirk, or Pinocchio's fictitious lengthening nose. Now a new study reveals that muscles in the upper ...

The expression “a smile a day keeps the blues away” may have some credence beyond the realm of greeting card messages. The lingering question of whether a smile or frown lifts or depresses emotion has ...

From Sinatra to Katy Perry, celebrities have long sung about the power of a smile - how it picks you up, changes your outlook, and generally makes you feel better. But is it all smoke and mirrors, or ...

After three years of Covid-era masking, some Japanese people feel their facial expressions are a bit rusty. Enter Keiko Kawano, smile instructor. By Hisako Ueno and Mike Ives Hisako Ueno reported from ...