Your smile might be the most underrated superpower you possess. While you’re busy investing in expensive supplements, workout routines, and self-help books to improve your life, you’re carrying around ...

It's time now for our regular science news roundup with our friends at NPR's Short Wave podcast, Regina Barber and Rachel Carlson. Good to have you both here. RACHEL CARLSON, BYLINE: Hey, Ari. REGINA ...

It may be a cliché to say: ‘when you’re smiling the whole world smiles with you’ (as per the popular song written by Larry Shay, Mark Fisher and Joe Goodwin in 1928), but there appears to be some ...

Everyone smiles when they’re happy. But, what about smiling in the face of sadness? Can forcing a smile even while feeling blue elevate one’s mood? According to countless pop songs and concerned ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Facial expressions are a form of nonverbal communication. When we see someone with a big smile, we might assume that the person is happy. That's simple enough. But I learned recently that we can even ...