Wonderopolis

How Many Degrees Are in a Circle?

Do you ever feel like you’re going around in circles? Today’s Wonder of the Day is sure to make you feel that way!

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How Many Degrees Are in a Circle?
What's the Biggest Thing You Can See?

Today’s Wonder of the Day is huge. We’re not kidding. It’s so big you’ll have to see it to believe it!

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What's the Biggest Thing You Can See?
Where Is the World’s Largest Cave?

Today’s Wonder of the Day is larger than you can imagine!

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Where Is the World’s Largest Cave?
Can a Strait Be Crooked?

Sail on over to Wonderopolis today, and we’ll give you the strait story!

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Can a Strait Be Crooked?
Where Is the Boiling River of the Amazon?

If you’re coming to Wonderopolis today, bring your bathing suit and some ice!

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Where Is the Boiling River of the Amazon?
Where Is Rainbow Mountain?

If you’re coming to Wonderopolis today, bring your friend Roy G. Biv with you!

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Where Is Rainbow Mountain?
What’s So Special About Socotra?

Today’s Wonder of the Day will take you to an island unlike any other in the world!

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What’s So Special About Socotra?
Will Humans Become Extinct?

Today’s Wonder of the Day takes a closer look at an uncertain future!

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Will Humans Become Extinct?
What Is a Vernal Pool?

Better hurry! Today’s Wonder of the Day will be gone before you know it!

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What Is a Vernal Pool?
How Does a Wetsuit Work?

Today’s Wonder of the Day is all wet, but you’ll stay toasty and warm!

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How Does a Wetsuit Work?
Where Is the 38th Parallel?

Join us in Wonderopolis today as we travel to a peninsula split by an imaginary line!

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Where Is the 38th Parallel?
Could Our Solar System Have a Ninth Planet?

Today’s Wonder of the Day takes us way out beyond Neptune!

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Could Our Solar System Have a Ninth Planet?
Can Humans Cause Earthquakes?

Today’s Wonder of the Day might really shake things up!

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Can Humans Cause Earthquakes?
Where Is Siberia?

Wonderopolis takes a trip to one of the biggest, coldest places in the world today!

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Where Is Siberia?
Where Is the Coldest Place on Earth?

It doesn’t get any colder than where Wonderopolis is going today!

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Where Is the Coldest Place on Earth?
How Did Dinosaurs Become Extinct?

Today’s Wonder of the Day features a cataclysmic ending!

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How Did Dinosaurs Become Extinct?
Why Does the Sun Rise and Set at Different Times Each Day?

Today’s Wonder of the Day will have you getting up early and staying up late!

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Why Does the Sun Rise and Set at Different Times Each Day?
Is Planet Earth Alive?

Today’s Wonder of the Day will explore the vitality of our planet!

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Is Planet Earth Alive?
Why Is There a Great Red Spot on Jupiter?

Oops! Did Jupiter spill something on itself? Find out today in Wonderopolis!

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Why Is There a Great Red Spot on Jupiter?
How Do Waterfalls Form?

If you join us in Wonderopolis today, we urge you to just go with the flow!

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How Do Waterfalls Form?

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