Knowledge

Do you love to learn? If so, you’ve come to the right place. From mind-blowing facts to grammar mistakes to psychology terms, get ready to exercise your brain.

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    Here Are the Official Uno Rules—And the Super-Fun Unofficial Ones Too

    Whether you're following the official Uno rules or the house rules, or you just love chaos, here's how to play...


    This Is the World’s Longest Place Name—And It Has 168 Letters

    The longest place name in the world is a mouthful—and we dare you to try to pronounce it


    I’m an Etiquette Expert, and These 16 Tips Will Make You the Politest Person in Any Room

    Modern etiquette is about so much more than using the right forks and addressing envelopes. Here's what you need to know.


    These 10 Secrets of Scandinavians Are Why They’re So Healthy

    When you think Scandinavia, do you conjure up images of vigorous rosy-cheeked people, filled with energy and optimism? Who doesn't?...


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    9 Weird Facts You Never Knew About Laughter

    You'll get a chuckle from this trivia about one of our most ancient forms of expression and communication.


    11 Vow Renewal Etiquette Rules Every Couple Should Follow

    As you mark this memorable marriage milestone, keep these expert-approved vow renewal etiquette tips in mind


    Why Are There Only 28 Days In February?

    No, it's not because it's terrible and everyone wants it to end immediately.


    9 Hidden Symbols You Never Knew You Could Text

    Whether you go for Apple or Android, every grammar nerd will love these tricks that finally perfect your punctuation.

    Ask vs. Ax: Which Pronunciation Is Correct?

    In the battle of ask vs. ax, why does only one pronunciation get respect?


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    Can You Guess How Many Living People Share Your Birthday?

    When people add "And many more..." to the end of "Happy Birthday," they aren't kidding.


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    Why 1972 Was the Longest Year in History

    And you thought 2017 was a long year.


    Here’s the Real Reason Area Codes Make No Geographical Sense

    Geography was the last thing the telephone company was thinking about when they developed the area code system


    This Is Why You Only See No. 2 Pencils

    In all likelihood, if you rummaged through any given school desk in the U.S., the first pencil you'd encounter would...


    The 100 Greatest Compliments You Could Ever Give or Receive

    A little love goes a long way with these uniquely personal compliments


    This Is Why We Use %$@#! to Represent Curse Words

    You know exactly what those random symbols mean, but they weren't always used to hide offensive language.


    The Real T. Rex Sound Is More Unsettling Than You Think

    Paleontologists believe that the real T. rex sound was nothing like the roar you hear in the movies. But it's...


    This Is Why You Never See B Batteries

    The most common batteries you encounter are AA, AAA, C and D. Why are there no B size batteries?


    The 50-Star American Flag Began as a High School Project—and It Only Got a B

    "Get it accepted into Washington...and I might consider changing your grade.”



    Here’s How Your Favorite Carnival Games Are Rigged—And Tricks to Beat the System

    These rigged carnival games are engineered to mess with your brain, your aim and your wallet. But with a little...



    12 Surprising Facts About Competitive Eaters

    Prepare to enter the world of competitive eating. Word of caution: You may want to do so on an empty...


    10 Self-Defense Tips That Could Save Your Life

    When the unthinkable happens and you're faced with an attacker, knowing the right moves ahead of time could be key...


    Can You Solve the World’s First Crossword Puzzle?

    Up for a challenge? Take a stab at completing the first crossword puzzle ever published.


    This Is the Smartest Zodiac Sign, According to an Astrologer

    Are you among the smarty-pants of the bunch? Our astrologer explains which is the smartest zodiac sign and which signs...



    10 Crazy Things You Can Only Find in Japan

    If you spot blue traffic lights and sweet potato Kit Kats, you're probably in Japan.