Science has unlocked the easiest and cheapest antiaging secret: Stop smiling. According to a May 2017 study published in the journal Psychonomic Bulletin & Review, people who smile are perceived as ...

If you’ve watched the musical Annie you may know that you’re never fully dressed without a smile. There are a lot more reasons to smile than cosmetic ones, though. Turns out that smiles aren’t just ...

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 ...

"Smiling human faces are attractive to dogs, thanks to oxytocin." ScienceDaily. www.sciencedaily.com / releases / 2017 / 11 / 171120104819.htm (accessed September 21, 2025).