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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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24 Cities You Learned About in School That No Longer Exist

From the tragic to the mysterious, you won't believe these fascinating tales of cities that no longer exist.


Pi Day: How Pi Was Almost Changed to 3.2

Pi as we know it could have changed forever, thanks to a late 19th-century bill introduced in Indiana


13 Facts You Probably Never Knew About Gold

Check out these fun 24-karat nuggets about gold.


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Here’s Why You Don’t See Blimps Anymore

You still see planes and jets in the sky, but a blimp is a rare sighting these days.


11 “Facts” About the Civil Rights Movement That Aren’t True

Separating fact from fiction isn’t just important from a historical perspective—it’s also essential in winning today’s fight against racial injustice.


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13 Unlikely Jobs U.S. Presidents Held After the White House

You can’t accuse these former presidents of resting on their laurels once they left office.


15 Martin Luther King Jr. Facts You Probably Didn’t Know

Think you know everything there is to know about the late, great civil rights leader? These Martin Luther King Jr....

50 Trivia Questions for Kids Only the Smartest Can Get Right

Test their knowledge (and yours) with a fun family trivia night!


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How to Win Tic-Tac-Toe: The Strategies You Need to Master

A few simple strategies can make you a master at tic tac toe.


Thumbs-Up: The Fascinating Origins of Everyday Hand Gestures

How about a round of applause for history?


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19 Classic Board Games Everyone Should Own

It's game night, and these classic board games offer up a dose of nostalgia alongside strategy and fun.



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Why Do Justices Wear Black Robes?

We looked back in history to figure out why Supreme Court justices wear black robes—and where the tradition of robes...


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8 Creepy Staircases in the Middle of Nowhere

Who knew stairs could be so spooky?


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11 Sunken Ships Around the World—And the True Stories Behind Them

Because no one can resist tales of a shipwreck.

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5 Traits You Didn’t Know You Inherit from Mom (and 4 You Inherit from Dad)

Here's why men can't blame their mothers for their receding hairline anymore.


Which Is Worse for the Environment: Driving or Flying?

Not all trips are created equal—especially when you consider how they can harm the planet.


21 Fascinating Images of Everyday Objects Under a Microscope

Even the simplest objects can be incredibly complex.



The U.S. States Most Prone to Natural Disasters

Driven by climate change, natural disasters across the United States are getting more extreme, more costly, and more deadly.

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Why Dollar Stores Are So Cheap

Seriously, how do they manage to sell everything from pregnancy tests to picture frames for just a dollar? We uncovered...


23 Things Your Mail Carrier Won’t Tell You

Postal workers from around the country reveal the secrets of their profession and why mail is still the country's best...


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What Could Happen if the U.S. Postal Service Stopped Delivering Mail

It would mean more than the end of the Restoration Hardware catalogs...


Where Do Subway Trains Go When They’ve Retired?

All aboard as we crack this case!


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Why Do We Eat Birthday Cake?

Hint: It has to do with the Ancient Greeks!


This Is the Bank with the Worst Reputation in America

It's more than just poor customer service when it comes to ranking the bank with the worst reputation in America.