PSYCHOLOGY

How Many Different Colored Eyes Are in This Optical Illusion? Fewer Than You Might Think

Color illusions get pretty complicated when there are multi-colored lines involved like there are in this image.

Tom Cruise stars in 'Risky Business' (1983).

15 Examples of the Mandela Effect

Did Tom Cruise really dance in his underwear and a pair of Ray-Bans in 'Risky Business'? If you answered “yes,” you might be suffering from the Mandela Effect.

Subconscious vs. Unconscious: What’s the Difference?

To Sigmund Freud, there wasn’t one. But the terms aren’t always cited as synonyms.

They're not always as smart as they seem.

Common Misconceptions About Serial Killers

Are famous serial killers all geniuses? Does criminal profiling work as well as it seems to? Those answers and more on this Misconceptions.

Why Is It Called the Placebo Effect?

What is a placebo? Technically, a Latin phrase meaning ‘I will please.’ It’s also a Catholic prayer and a clever insult.

Jealousy vs. Envy: What’s the Difference?

The difference between jealousy and envy comes down to what’s motivating your feelings—but there’s often overlap.

5 Riveting Facts About the Color Red

As one of the oldest colors in the world, red symbolizes aggression, power, and passion. Here are some surprising facts about the hue.