Human Nature

Human Nature encompasses peoples' actions, perceptions, and thought processes. Topics include food cravings, mind-reading, and contagious yawning.


Many kids grow up with imaginary friends. Why do they rely on these make-believe playmates and are they a sign of trouble or great things?

Are facial expressions learned or innate? A study that looked at the facial expressions of people blind from birth found mixed results.

Short or tall, height affects us all — but does it have the power to determine how long we live, or whether we're happy?

Swedish speakers tend to measure time by distance, while Spanish speakers tend to say measure it by volume. But how does this difference in expression affect how people perceive time?

We've all performed this social ritual thousands of times but, as it turns out, there's a right way and a wrong way to shake hands. A psychologist who has studied the art and psychology behind handshakes explains.

The experts have determined the right age for lots of life decisions.

One expert calls anger a source of creative juice. Here's why.

Americans are struggling to maintain their core values in the face of heightened political polarization.

Green spaces aren't just a city-planning gimmick. Living near birds and shrubs really does have measurable benefits, new research shows.

New research debunks the myth that only the pretty people get the best salaries.

Would it surprise you to learn that people who used emojis were considered more agreeable than those who didn't?

You’d think that someone who curses up a storm might be dishonest and bad news all around. A new study finds that the opposite may be true.

We get better at recognizing certain odor groups as we get older, a new study shows.

The old folks are coming, and they want the red stuff in your veins. Is California company Ambrosia just high-tech vampirism?

Spankings are common and legal in many public schools — but experts say they don't work. So why are they still a form of discipline?

Answer: A lot less time than you're probably thinking.

If you ran into a chainsaw-swinging psychopath, you’d probably remember. But what about everyday pscyhopaths?

Throwing games to make kids happy may negatively affect their ability to make important decisions — even if it does boost their self-esteem.

After you try this pungent party trick, you'll never doubt the power of garlic.

According to doctors, injecting cooking oil into your muscles to make them appear larger does not work, could possibly kill you.

John Turturro played one to perfection in "The Big Lebowski." The guys from Stuff to Blow Your Mind investigate how people become creepy.

One bad apple may indeed spoil the whole bunch, especially if it's a bunch of adolescent siblings and one of them is delinquent.

Breaking eye contact during conversation doesn't necessarily mean we're insecure — it means we're human.

You may have thought shotgun marriages died out following the era of peace, free love and rock 'n' roll, but in some groups, they're actually rising.

Being stuck in the middle seat on a long flight — or any flight — stinks. But does that entitle the middle-seater to the armrests? We asked an etiquette expert.