A mutual eye gaze and smile are some of the most reliable markers of love between couples, and can be used to differentiate ...

“When you’re smiling, when you’re smiling, the whole world smiles with you.” Yes, the old song is right; smiles are contagious! But that’s just one of the superpowers of a smile. Various researchers ...

I remember a day when everything was falling apart. It was my first big presentation in college. I had worked on it for weeks, practiced it in front of the mirror, and timed every slide. But when I ...