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  Can You Speak in Code?

  Today’s Wonder of the Day is as easy as Alfa Bravo Charlie!

  #521

  Can You Speak in Code?

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  What Is a Spit Valve?

  We don’t mean to toot our own horn, but we think today’s Wonder of the Day will be music to your ears.

  #399

  What Is a Spit Valve?

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  Are All Letters Created Equal?

  What’s the difference between A and B and D and E? Find out today in Wonderopolis!

  #854

  Are All Letters Created Equal?

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  Why Did They Put the Alphabet in Math?

  We’re combining the ABCs with the one, two, threes in today’s Wonder of the Day!

  #2854

  Why Did They Put the Alphabet in Math?

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  How Do You Create a Website?

  Today’s Wonder of the Day might have you speaking in code!

  #1718

  How Do You Create a Website?

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  Have You Ever Been in a Spelling Bee?

  Today’s Wonder of the Day may turn out to BEE one of your F-A-V-O-R-I-T-E-S!

  #992

  Have You Ever Been in a Spelling Bee?

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  Who Invented the Hula Hoop?

  Head to Wonderopolis today to join all the movers and shakers for a hoopin’ good time!

  #163

  Who Invented the Hula Hoop?

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  Who Is Uncle Sam?

  Today’s Wonder of the Day features everyone’s favorite uncle!

  #527

  Who Is Uncle Sam?

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  What Is Fermat's Last Theorem?

  You know what they say: The PROOF is in the Wonder!

  #2807

  What Is Fermat's Last Theorem?

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  What Is on the Periodic Table?

  We believe you’ll find today’s Wonder of the Day quite element-ary!

  #1750

  What Is on the Periodic Table?

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  Have You Ever Been to the Big Apple?

  We think today’s Wonder of the Day will be the apple of your eye!

  #718

  Have You Ever Been to the Big Apple?

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  What Are Markers Made From?

  We think today’s Wonder of the Day will certainly leave a permanent MARK!

  #2490

  What Are Markers Made From?

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  Can You See Sound?

  Set your sights on today’s Wonder of the Day if you’re interested in seeing in an all-new way!

  #414

  Can You See Sound?

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  Who Was Rosalind Franklin?

  We’ll be FRANKlin—today’s Wonder of the Day is one of our favorites!

  #2867

  Who Was Rosalind Franklin?

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  Who Invented Rock and Roll?

  Are you ready to jam? You might want to turn today’s Wonder of the Day up to 11!

  #2000

  Who Invented Rock and Roll?

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  Why Do Young Children Write Letters Backward?

  Time for another great yaD eht fo rednoW!

  #2725

  Why Do Young Children Write Letters Backward?

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  Who Was Rosie the Riveter?

  Join us in Wonderopolis today for a look at a famous female factory worker!

  #835

  Who Was Rosie the Riveter?

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  What Is a Mime?

  Shh! Can you enjoy today’s Wonder of the Day without uttering a word?

  #1264

  What Is a Mime?

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  Where Is the City of Angels?

  Up for a road trip? Today Wonderopolis heads to La La Land!

  #1168

  Where Is the City of Angels?

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  Who Invented Sticky Notes?

  We can’t remember what today’s Wonder of the Day is about. We should’ve written ourselves a note!

  #473

  Who Invented Sticky Notes?

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