Every fact, in one place.

Why Experts Are Bad Teachers

The 'curse of knowledge' is a bias where, once you understand something, you assume it's obvious to everyone else.

A Useless Fact

Koalas never drink water. They get fluids from the eucalyptus leaves they eat.

Your Hearts Can Beat As One!

Couples' heartbeats can synchronize when they gaze into each other's eyes.

A Useless Fact

Dogs and cats consume over $11 billion worth of pet food a year

Friendship Breakups Hurt (Literally)

Losing a best friend can trigger the same brain response as physical pain.

Iceland's Radical Equality Law #9419

In Iceland, it's illegal for companies to pay men more than women for the same job, and they must prove it.

A Useless Fact

The U.S. city with the highest rate of lightning strikes per capita is Clearwater, Florida.

Less School, Better Grades? #5044

Finland has one of the shortest school days in the world, yet consistently ranks as a top education system.

Grow Your Brain with Discipline #1549

Practicing self-discipline can physically grow the part of your brain responsible for willpower.

A Useless Fact

In Quebec, there is an old law that states margarine must be a different color than butter.

Disrespect Literally Hurts Your Brain

Being disrespected can activate the same brain regions as physical pain.

A Useless Fact

Proportional to their size, cats have the largest eyes of all mammals.

Your Hearts Can Beat in Sync! ❤️

Studies have found that when couples in love gaze into each other's eyes, their heart rates synchronize.

A Useless Fact

Greece's national anthem has 158 verses.

Your Brain on Respect

Feeling respected triggers the same reward centers in your brain as receiving a monetary reward.

Is This Ship Still The Same?

The Ship of Theseus paradox questions if an object that has had all its parts replaced is still the same object.

The 200-Hour Friendship Rule #3786

It takes roughly 200 hours of shared time for a casual acquaintance to become a close friend.

A Useless Fact

Georgia's state motto is "Wisdom, Justice and Moderation."

The Ancient Roman Origin of Ambition

The word 'ambition' comes from the Latin 'ambire,' meaning 'to go around,' as Roman candidates would go around soliciting votes.

A Useless Fact

Denver, Colorado lays claim to the invention of the cheeseburger.

The Creepiest Color in Art History

The pigment 'mummy brown' was once made by grinding up actual ancient Egyptian mummies.

The Secret Power of Acceptance

Practicing acceptance can physically lower your body's main stress hormone, cortisol.

A Useless Fact

The average human will shed 40 pounds of skin in a lifetime.

Mind-Controlled Tech is Coming ????

By 2050, you might be able to control your smartphone and other devices just by thinking.