Emotions

From giggles to guffaws and chuckles to cackles, humans laugh in a lot of different ways. But what do each of those laughs mean, and are they all related to humor?

By Molly Edmonds & Joseph Miller

From an adult's point of view, kids have it made, spending their days playing and goofing off, with no responsibilities to worry about. But are kids really jumping for joy more often than the rest of us?

By Tom Scheve

Normally, we laugh because something's funny, but sometimes laughter can be something more serious -- a medical symptom. What separates a hearty guffaw from a signal of poor health?

By Victoria Vogt

Emotionally sensitive people sometimes get a bad rap from others. But being an empath can be a gift, as long as you take care of it. So how do you know if you're one?

By Alia Hoyt

It's already a scary world. Why do we seek to experience more fear?

By Jamie Allen

Maybe. A study that wasn't even about kissing turned out to (sort of) give the answer.

By Michelle Konstantinovsky

The Scandinavian countries tend to come out on top in the World Happiness Report. But the report doesn't actually ask participants if they're happy. When that question is included, the country rankings are quite different.

By Dave Roos

What do Donald Trump, Bob Dole and LeBron James have in common? A tendency to talk about themselves in the third person. But is it just egotism or is there a hidden benefit to saying your name rather than "I"?

By Dave Roos

Ever had a "woulda, shoulda, coulda" feeling about something? It's called regret. What really triggers this emotion — and can we trust it?

By Dave Roos

It's not just your imagination — people feel freer to bail out on others at the last minute than they used to. But why?

By Danielle Douez

A new study shows that mothers prefer daughters and fathers prefer sons, regardless of economic background, contradicting an earlier well-known hypothesis.

By Alia Hoyt