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Do You Think 13 Is Unlucky?

Was that a black cat? Watch out! Whew! That was close. We hope we’re lucky enough to make it through this Wonder of the Day!

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Do You Think 13 Is Unlucky?

Who Invented the Candy Bar?

We bet you’ll love unwrapping today’s tasty Wonder of the Day!

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Who Invented the Candy Bar?

Have You Ever Been to a Bar Mitzvah?

Today it’s time to party like you’re a 13-year-old boy!

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Have You Ever Been to a Bar Mitzvah?

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…

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What Is a Prime Number?

How Many Donuts Are in a Baker’s Dozen?

Today’s Wonder of the Day features a little added bonus!

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How Many Donuts Are in a Baker’s Dozen?

What Were the Original Thirteen Colonies?

Today’s Wonder of the Day features the baker’s dozen that started it all!

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What Were the Original Thirteen Colonies?

Why Are There Twelve Grades of School?

Today’s Wonder of the Day examines how a dozen years can seem like forever!

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Why Are There Twelve Grades of School?

What Does "Top Secret" Mean?

Shhh! Can you keep a secret? We hope so. Sneak on over to Wonderopolis for a Wonder of the Day that’s for your eyes only!

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What Does "Top Secret" Mean?

Do Hummingbirds Really Hum?

Fly over to Wonderopolis today for a Wonder of the Day that will have you humming a new tune!

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Do Hummingbirds Really Hum?

How Much Does an Elephant Weigh?

We hope you don’t get weighed down by today’s Wonder of the Day. It’s a little heavy!

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How Much Does an Elephant Weigh?

Why Do Cicadas Emerge Every 17 Years?

We hope this isn’t bROOD, but we’re here to remind you about another BUZZworthy Wonder of the Day!

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Why Do Cicadas Emerge Every 17 Years?

What Makes Bloodhounds Good Detectives?

Today we’re hitting the trail with a four-legged pup that “nose” a thing or two about hide-and-seek.

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What Makes Bloodhounds Good Detectives?

When Is Your Half Birthday?

If you think you know what today’s Wonder of the Day is about, you don’t know the half of it!

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When Is Your Half Birthday?

Who Made the American Flag?

Get ready! Today’s Wonder of the Day might leave you seeing stars…and stripes…forever!

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Who Made the American Flag?

Who Was Guy Fawkes?

Remember, remember to read today’s Wonder of the Day!

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Who Was Guy Fawkes?

Is It Bad Luck to Open an Umbrella Indoors?

Down on your luck? Watch out for ladders, black cats, broken mirrors, and more today in Wonderopolis!

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Is It Bad Luck to Open an Umbrella Indoors?

Who Was Hans Christian Andersen?

If you love fairy tales, you’re going to love today’s Wonder of the Day! Join us as we spend some time with little mermaids and ugly ducklings!

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Who Was Hans Christian Andersen?

Who Invented the Cowboy Hat?

Howdy pardners! Saddle up your pony and trot on over to Wonderopolis to learn about the most famous hat in the Wild West.

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Who Invented the Cowboy Hat?

Where’s the Best Tree House?

Today’s Wonder of the Day will have you climbing to new heights!

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Where’s the Best Tree House?

Who Wrote the National Anthem?

Feeling patriotic? Warm up your vocal cords and wave the flag. It’s time to sing the praises of your nation today in Wonderopolis!

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Who Wrote the National Anthem?

Explore the World of Wonders

Do You Think 13 Is Unlucky?

Who Invented the Candy Bar?

Have You Ever Been to a Bar Mitzvah?

What Is a Prime Number?

How Many Donuts Are in a Baker’s Dozen?

What Were the Original Thirteen Colonies?

Why Are There Twelve Grades of School?

What Does "Top Secret" Mean?

Do Hummingbirds Really Hum?

How Much Does an Elephant Weigh?

Why Do Cicadas Emerge Every 17 Years?

What Makes Bloodhounds Good Detectives?

When Is Your Half Birthday?

Who Made the American Flag?

Who Was Guy Fawkes?

Is It Bad Luck to Open an Umbrella Indoors?

Who Was Hans Christian Andersen?

Who Invented the Cowboy Hat?

Where’s the Best Tree House?

Who Wrote the National Anthem?

SCIENCE 1252 Wonders

MATH 51 Wonders

SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

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