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  How Do You Make an App?

  We hope you find today’s Wonder of the day APPealing!

  #2331

  How Do You Make an App?

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  Why Does Hair Turn Gray?

  There’s nothing black and white about today’s Wonder of the Day!

  #6

  Why Does Hair Turn Gray?

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  Do Horses Sleep Standing Up?

  Can you imagine trying to sleep standing up? Sounds impossible, but it’s not…at least not for the animal featured in today's Wonder of the Day!

  #56

  Do Horses Sleep Standing Up?

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  Where Can Moss Grow?

  A rolling stone will gather none of today's Wonder of the Day!

  #26

  Where Can Moss Grow?

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  Why Do I Burp?

  Today’s Wonder of the Day might have you saying, “Excuse me!”

  #49

  Why Do I Burp?

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  Where in the World Is Kolkata?

  Join us in Wonderopolis today for a visit to one of the most populous countries in the world!

  #2022

  Where in the World Is Kolkata?

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  Can Plants Eat Insects?

  Welcome to the jungle! We’re taking an up-close look at some interesting plants today in Wonderopolis!

  #3

  Can Plants Eat Insects?

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  Are You in the Red or the Black?

  If you enjoy today’s Wonder of the Day, you’ll forever be in our debt!

  #888

  Are You in the Red or the Black?

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  Why Do I Need To Learn Algebra?

  Today’s Wonder of the Day might have you WONDERing what x is!

  #1534

  Why Do I Need To Learn Algebra?

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  How Does Contact Tracing Work?

  Today’s Wonder of the Day is full of clean, HEALTHY fun!

  #2627

  How Does Contact Tracing Work?

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  Who Invented Numbers?

  We’ll get right to today’s Wonder of the Day in 3…2…1…

  #2071

  Who Invented Numbers?

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  How Do You Connect the Dots?

  Today’s Wonder of the Day starts at “1” and goes to “2” and then to “3” and then to…

  #1164

  How Do You Connect the Dots?

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  What Is a Prime Number?

  Today’s mathematical Wonder of the Day may have you counting 2, 3, 5, 7, 11, 13, 17, 19, 23, 29…

  #190

  What Is a Prime Number?

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  Do You See a Face on the Moon?

  FACE it! This Wonder of the Day is one of the best yet.

  #2680

  Do You See a Face on the Moon?

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  How Will Future Astronauts Travel To Outer Space?

  Can’t wait for today’s Wonder of the Day? Are you counting down the seconds? It’ll be here in t-minus 3… 2… 1…

  #268

  How Will Future Astronauts Travel To Outer Space?

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  When Did Humans Start Banking?

  You can BANK on this Wonder of the Day being a good one!

  #2619

  When Did Humans Start Banking?

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  What Kinds of Technology Do Athletes Wear?

  Today’s Wonder of the Day is TECHnically awesome!

  #2350

  What Kinds of Technology Do Athletes Wear?

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  What Are the 12 Days of Christmas?

  We’ve got a dozen reasons why you should visit Wonderopolis today!

  #1816

  What Are the 12 Days of Christmas?

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  What Is an Eagle?

  Fore! With a stroke or two of luck, today’s Wonder of the Day will soar like it has wings.

  #189

  What Is an Eagle?

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  How Do You Get the Vinyl Vibe?

  Today’s Wonder of the Day is a favorite of disc jockeys everywhere!

  #1112

  How Do You Get the Vinyl Vibe?

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