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Explore Wonders | Find: 奈良教育大学Accounting Diplom<网址:ｚｊｗ２１１.ｃｏｍ>晋江纳罗帕大学留信网认证-苹果美国 zip怎么写【咨询网:ｚｊｗ２１１.ｃｏｍ】欧柏林大学毕业证XO | Wonderopolis

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When Were ZIP Codes Invented?

ZIP into Wonderopolis for today’s Wonder of the Day!

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When Were ZIP Codes Invented?
How Fast Can You Zip Through the Air?

Today’s Wonder of the Day will really add some zip to your day!

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How Fast Can You Zip Through the Air?
Who Invented the Zipper?

Zip on over to Wonderopolis today for a Wonder of the Day that really has some teeth!

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Who Invented the Zipper?
Which City Has The Longest Name?

Wonderopolis heads to one of the most exotic locations in Asia today!

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Which City Has The Longest Name?
Can You Eat Ice Cream for a Living?

Today’s Wonder of the Day takes a closer look at some really COOL jobs!

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Can You Eat Ice Cream for a Living?
Why Is It Called "Black Friday"?

If you’re stuffed after Thanksgiving, don’t worry. We’ll get some exercise today when we head to the mall!

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Why Is It Called "Black Friday"?
Are You in the Red or the Black?

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

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Are You in the Red or the Black?
How Does Mail Find You?

Join us in Wonderopolis today as we trace a letter!

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How Does Mail Find You?
What Is Elbow Grease?

Today’s Wonder of the Day is a lot of hard work, but it’s worth it!

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What Is Elbow Grease?
Who Invented the Hard Drive?

You probably store memories in your brain, but do you know how a computer stores memory? Find out today in Wonderopolis!

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Who Invented the Hard Drive?
Why Are They Called "Flip-Flops"?

Today’s Wonder of the Day really has a way of getting in-between your toes…

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Why Are They Called "Flip-Flops"?
How Do Hyperloops Work?

Stay in the loop with today’s Wonder of the Day!

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How Do Hyperloops Work?
Why Do Sidewalks Have Lines?

Today’s Wonder of the Day will be a walk in the park if you stay between the lines!

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Why Do Sidewalks Have Lines?
Why Do Some Roads Have Tolls?

It might cost you a dollar to read today’s Wonder of the Day!

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Why Do Some Roads Have Tolls?
Do You Need a Pen To Have a Pen Pal?

Be a pal and join us in Wonderopolis today. We promise it’s the WRITE thing to do!

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Do You Need a Pen To Have a Pen Pal?
Can a Car Drive Itself?

Hop in! It’s time to take today’s Wonder of the Day for a spin!

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Can a Car Drive Itself?