Be careful when you smile

2 fighters - who is smiling?
Reading Time: 1 minute

But though there may be times when it is advantageous for us to smile when we don’t feel particularly cheerful, there is a flipside. Researchers from the universities of Illinois and California wondered whether professional fighters’ smiles during the face-off before a bout might predict who the victor would be. Michael Kraus and Tey-Way Chen … Read more…