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Explore Wonders | Find: 广告艺术学院Artdiploma{官网:ｂｚｗ９８５.ｃｏｍ}阳江高中毕业证需要考吗-東京電機大学会计文凭证书（证件网:ｚｊｗ２１１.ｃｏｍ)购买萨斯克汉那大学文凭毕业证34 | Wonderopolis

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Why Do We Change the Clocks Twice a Year?

Not quite ready to call it a night? Visit Wonderopolis for a time warp as we turn back the hands of time.

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Why Do We Change the Clocks Twice a Year?
Who was Jesse James?

Learn the truth behind the legend of today’s Wonder of the Day!

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Who was Jesse James?
What Is the Longest Word?

Don’t say we didn’t warn you! Today’s Wonder of the Day is really, really long!

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What Is the Longest Word?
What is the Fibonacci Sequence?

Today's Wonder of the Day will have you looking for patterns everywhere you go!

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What is the Fibonacci Sequence?
Where Is the Largest Library in the United States?

Be sure you “check out” today’s Wonder of the Day!

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Where Is the Largest Library in the United States?
When Was the World’s First Dynasty?

We don’t mean to brag, but today’s Wonder of the Day totally rules!

#1650

When Was the World’s First Dynasty?
How Many Blocks Make an Igloo?

Today’s Wonder of the Day explores one of the coolest houses you’ll ever find!

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How Many Blocks Make an Igloo?
What is the Internet of Things?

Get connected with today’s Wonder of the Day!

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What is the Internet of Things?
What Keeps Tunnels From Falling Down?

We hope you DIG today’s Wonder of the Day!

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What Keeps Tunnels From Falling Down?