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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 what the science says.

26 Famous People’s Names You’re Probably Mispronouncing

Sorry, but you've likely been pronouncing the names of these famous celebs and historical figures incorrectly. Here, we're setting the...

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...

Song Stuck in Your Head? Here’s How to Stop Those Pesky Earworms

We've all had a tune linger in our head for much longer than we'd like. Here's why earworms happen—and what...

The “Penny Has 5 Children” Riddle: Try to Solve the Viral Riddle

Penny has five children and a penchant for giving her kids some rather unusual names. You know the first four,...

What Is IQ, and How Well Does It Predict Success?

What does IQ measure? According to our experts, having formal intelligence and being smart are not necessarily the same thing.

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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...

The Interesting—and Delicious—History of Ramen

Ever wondered where your Cup Noodles came from?

If You See a Coin on a Gravestone, This Is What It Means

Discover why visitors leave coins on certain gravestones and what it symbolizes.

If You Have One of These Rare Barbies, It Could Be Worth More Than $27,000

Check your attic to see if your old Barbie could be worth a small fortune!

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!

This Is the World’s Stinkiest Fruit—and Why It Smells So Bad

It may smell like sweaty socks, but it's also considered a delicacy

140 Clever Trivia Team Names for the Win

Coming up with winning trivia team names feels nearly as good as besting the competition

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 answer correctly about slashers,...

If You See a Boot on a Fence, This Is What It Means

Turns out, ranchers hang their boots up because it carries a special symbolism

These Are the Rarest Birthdays in the United States

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

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100 Marvel Trivia Questions That Even Super Fans May Not Know

Think you really, truly know the MCU? Test your mastery of your favorite flicks with this tricky Marvel trivia quiz!

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

We know red lights are for fire trucks and blue are for law enforcement, but what on earth does it...

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Here’s What That Hole in Your Coffee Bag Is For

Being able to smell the beans is just an added perk!

What’s the Difference Between a Cyclone, Hurricane and Typhoon?

Which of these terms you use has more to do with where in the world you live than anything else.

State Capitals Quiz: How Many Questions Can You Get Right?

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...

What Is Sriracha, Exactly?

We'll splash sriracha on, well, just about everything. We unpack exactly what makes this spicy sauce so darn good.