Knowledge - Facts

Are you ready to be mind-blown? This crazy collection of facts will have you thinking, “I can’t believe I didn’t know this!”

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12 Surprising Facts About Fingerprints, Including Why We Even Have Them

Why do we have fingerprints? While impressive, it's not just to unlock a smartphone or catch a bad guy. Here's...


26 Famous People’s Names You’re Probably Mispronouncing

Sorry, but you've likely been saying the names of these celebs and historical figures incorrectly. We're setting the record straight...


If You See a Gold Porch Light, This Is What It Means

Like red, green and purple porch lights, gold porch lights also have a meaning behind them


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Does the Color of Windshield Wiper Fluid Matter?

Windshield wiper fluid's only job is to assist in cleaning the windshield so you can drive safely. But does its...


That’s Why We Do That! The Uncommon Origins of Common Habits

These things seem so commonplace, we barely think about them. But how did they get started, exactly?


Think a Coin Toss Is 50/50? Think Again

People have been relying on the coin toss for quick, unbiased decision-making since ancient times. But is a coin flip...


What Is an Earworm? Here’s How to Get a Song Out of Your Head

We've all had a tune linger in our heads for much longer than we'd like. Here's what, exactly, earworms are—and...


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What Exactly Is MSG—and Is It Really Bad for You?

Learn what the flavor enhancer MSG really is, what foods it's found in—and what risks may be associated with it

Can You Make Your Own Luck? Experts Explain How to Stack the Odds in Your Favor

Feeling lucky? It’s more than a matter of chance. And as luck would have it, we’ve got the tips on...



If You See Coins on a Headstone, This Is What It Means

Are coins on a headstone random, or do they have a larger symbolic meaning? We got to the bottom of...


When Is the First Day of Fall? The Autumnal Equinox in 2025

Ready for sweater weather? Read on for surprising facts about the first day of fall, aka apple-picking and leaf-peeping season.


These Are the Rarest Colors on Earth

You may think you know your color wheel, but the stories behind these rare colors just might blow your mind


The Real Reason We Cry on Airplanes

It's not just that emotional movie making you tear up.


If You See Red Paint on the Ground, This Is What It Means

It's an important spot for the entire neighborhood and anyone passing by!


I Braved the Durian Fruit Smell to Find Out What It Really Tastes Like

Durian may smell like sweaty socks, but it's also a well-loved delicacy—and here’s why


This Is One of the Rarest Facial Features in the World

People with heterochromia have a striking and unique appearance. Are you among them?

100 Horror Movie Trivia Questions to Test Your Scary Flick IQ

Scary movie buffs, this one's for you. See how many horror movie trivia questions you can get right about all...


If You See a Boot on a Fence, Here’s What It Means

A fifth-generation rancher shares the real purpose of putting boots or shoes on fence posts, plus other fun ranch symbols...


What Is the Rarest Birthday?

How popular is your day of birth? Celebrate the rarest birthdays—and the most common!


Here’s What It Means If You See Green Lights on a Car

Red lights are for fire trucks, and blue means law enforcement. But what about green lights on a car? We...


Here’s the Difference Between a Typhoon, Hurricane and Cyclone

Should you worry about one more than the others? Here’s what you need to know about a typhoon vs. hurricane...


Can You Ace This U.S. State Capitals Quiz?

We'll go easy on you—only 20 questions. See how you do!

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This Is the Rarest Eye Color in the World

What determines the shade of your peepers? Experts weigh in on the rarest eye color in the world—and the genetics...


This Is Why You See Those Colored Balls Hanging on Power Lines

They're strung across electric wires all over the country. But just what are the balls on power lines for? We...


These Are the Strongest Hurricanes Ever to Hit the United States

Most of us weren't alive when the strongest hurricane ever touched down on U.S. soil. Here's how the top 10...


This Is Why Traffic Light Colors Are Red, Yellow and Green

There's a perfectly good explanation for those familiar traffic light colors


Netflix’s New Trivia Game “Triviaverse” Is Perfect for Quick Fun

Netflix's new trivia game is the streaming platform's latest offering in interactive entertainment


Here’s Why Escalators Have Brushes

Contrary to popular belief, escalator brushes are not actually for cleaning your shoes.