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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Here’s Why Some Retailers Are Called Big-Box Stores (Hint: It’s Not What You Think)

Think you know how stores earn the "big-box" moniker? Think again.


Here’s What It Means If You See a Blue Stop Sign

Color us surprised: Blue stop signs really exist! Here's where you'll find them, what they mean and what to do...


12 Things About Shopping Malls You Never Knew

Get ready to learn some interesting facts about everyone’s favorite in-person shopping centers


Why 60 Degrees Feels Colder in the Fall than the Spring

It's the exact same temperature, but it doesn't feel identical from season to season


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

Your old Barbie doll could be worth a small fortune


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50 People with the Highest IQs in the World

Learn about the geniuses with some of the highest IQ scores ever reported


How to See a Once-in-a-Lifetime Comet—Tonight!

Blink and you might miss your chance to see this once-in-a-lifetime comet. Here's how to make sure you catch a...


If You See a Paw-Print Sticker on a Mailbox, Here’s What It Means

We asked a veteran mail carrier to explain what those paw-print stickers mean—and how pet owners can help protect postal...

15 Fun Facts About the Olympics That Will Make You Appreciate the Games Even More

Discover ancient traditions, record-breaking feats and weird moments that made history with these fascinating facts about the Olympics


This Is the Real Reason Pill Bottles Are Orange

That ubiquitous amber color serves a surprising—and surprisingly important—purpose. Who knew?


This Is What the Code on Your Milk Jug Means

Moo-ve over expiration dates. There's another important code on your milk carton.


Here’s Why Soda Cans Are Beveled on the Bottom

Save your manicure! Cracking open a cold can of soda just became a whole lot easier.


30 Facts About Dogs That Will Change the Way You See Your Pup

You know that dogs are amazing—but did you also know how fascinating they are? These facts about dogs will give...


10 Common Words That You’ll Only Find in English

From cheesy to cool, all other languages borrow these indispensable terms from us!


Here’s What Those Colored Dots on Food Packaging Really Mean

Wondering what those colored circles on food packaging really mean? The answer is more technical than you might think.


15 Coffee Trivia Questions That’ll Even Stump Java Junkies

Think you know your Joe? See how many of these coffee trivia questions you can answer correctly, then share the...


Scallions vs. Green Onions: What’s the Difference?

Are these vegetables actually the same thing? Here's everything you need to know about all the onion cousins.

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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!


100 History Trivia Questions That Will Test Your Smarts

Think you know a thing or two about the past? Put your smarts to the test with these history trivia...


Why Is It Called a Hamburger If There’s No Ham?

The iconic hamburger has a rich international history that's still up for debate.


Can You Solve the Viral “Penny Has 5 Children” Riddle?

"Penny has five children" is a riddle about a lady and her penchant for giving her kids some rather unusual...


Here’s Why Some Window Bars Have a Potbelly

Are those window bars purposeful or just pretty? We asked a metalworking expert to solve this mystery.


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...