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Why Is Pluto No Longer a Planet?

Poor Pluto! Put on your space suit and join us as we examine the sad tale of this once proud and now demoted dwarf planet.

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Why Is Pluto No Longer a Planet?

How Are Fireworks Made?

You won’t want to miss today’s explosive Wonder of the Day. It’s going to be quite a spectacle!

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How Are Fireworks Made?

How Many Hot Dogs Can You Eat In 10 Minutes?

We sure hope you’re hungry. Today’s Wonder of the Day is sure to fill you up!

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How Many Hot Dogs Can You Eat In 10 Minutes?

How Did the Pretzel Get Its Shape?

Come hungry to Wonderopolis today, as we take a look at the twists and turns that are unique to a salty snack that’s a favorite all around the world!

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How Did the Pretzel Get Its Shape?

Which Bat Is Best?

Step up to the plate with us as we investigate baseball bats and celebrate the World Series Wonderopolis-style!

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Which Bat Is Best?

How Long Is the Appalachian Trail?

Lace up your hiking boots! Wonderopolis hits the trail today for a long hike. A really, really long hike!

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How Long Is the Appalachian Trail?

Why Are There Seven Days in a Week?

Today’s Wonder of the Day is perfect for a Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday!

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Why Are There Seven Days in a Week?

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?

What Can Satellites Do?

Today’s Wonder of the Day isn’t a bird or a plane or Superman, but it IS way up high in the sky!

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What Can Satellites Do?

What Is an Iceberg?

If the ocean were a soda, these would be the ice cubes. Don’t forget your coat! Today’s Wonder of the Day is a bit on the chilly side.

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What Is an Iceberg?

Where in the World Is Vanuatu?

Today’s Wonder of the Day will take you to a tropical island paradise with a unique post office!

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Where in the World Is Vanuatu?

What Is the Oldest Species Living Today?

Today’s Wonder of the Day is brand new…and really, really old!

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What Is the Oldest Species Living Today?

Explore the World of Wonders

Why Is Pluto No Longer a Planet?

How Are Fireworks Made?

How Many Hot Dogs Can You Eat In 10 Minutes?

How Did the Pretzel Get Its Shape?

Which Bat Is Best?

How Long Is the Appalachian Trail?

Why Are There Seven Days in a Week?

What Is a Prime Number?

What Can Satellites Do?

What Is an Iceberg?

Where in the World Is Vanuatu?

What Is the Oldest Species Living Today?

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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