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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    What You Need to Know About Tornadoes

    Why do some thunderstorms spawn deadly columns of wind while others simply leave us drenched?



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    5 Memory Boosting Secrets From a Police Sketch Artist

    How many times a week do we try to recall a fact that stubbornly eludes us, like where we put


    6 Nutty and Intriguing Discoveries

    These new prize-winning discoveries will surprise you.


    Tsunami Warning Signs You Should Know

    First, the ocean recedes dramatically from the shore, then the tsunami appears, looking less like a breaking wave than a...


    5 Eyesight Myths Dispelled

    Check out five common misunderstandings about how our eyes work.


    The 4 Happiest Cities on Earth

    What makes residents in these places so glad to be living the lives they do? Here’s a hint: It has...


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    Fake Happiness Can Bring You Down

    Fake smiles aren’t merely unconvincing—they can damage your mental health, says a new study in the Academy of Management Journal.

    Why We Kick Ourselves When We Feel Guilty

    The psychology behind that terrible feeling.


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    ADHD at School: How Parents Can Work With Teachers

    Tips from the National Institute of Mental Health for helping parents and teachers work together to ease the symptoms of...


    What Are the 12 Days of Christmas and What Do They Mean?

    The song has probably gotten stuck in your head a whole bunch, but have you given any thought to the...


    Veteran’s Day or Veterans Day: Which Is It?

    Or Veterans' Day, for that matter? On November 11, our country will honor veterans current and past. The only question: To...


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    Why Fully Vaccinated People Everywhere Still Need Masks Indoors

    The CDC recommends that vaccinated people almost everywhere wear masks in indoor public places. Here's why it's a good idea.


    Here’s Why Escalators Have Brushes

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


    This Is Why Golf Balls Have Dimples

    The dimples on a golf ball serve a greater purpose than just making it look cute—no ifs, ands, or putts.


    80 Powerful Black History Month Quotes That Will Inspire You and Move You

    Learning about Black History Month can be inspirational, and the quotes below are sure to move and motivate you.

    Here’s Why Women’s and Men’s Shirts Button on Different Sides

    Women's shirts have buttons on the left, while men's have them on the right. But it's not about which hand...


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    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...