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Explore Wonders | Find: 永利总站34（网址:qmh8.com）永利总站34_永利总站34_永利总站34_永利总站34_永利总站34永利总站34_永利总站34_永利总站34_wW1ZW1K2W | 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.

#34

Why Do We Change the Clocks Twice a Year?
Where Is the Largest Library in the United States?

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

#568

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?
What is the Fibonacci Sequence?

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

#2301

What is the Fibonacci Sequence?
Who was Jesse James?

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

#2512

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!

#737

What Is the Longest Word?
What Keeps Tunnels From Falling Down?

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

#2393

What Keeps Tunnels From Falling Down?
How Many Blocks Make an Igloo?

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

#477

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

Get connected with today’s Wonder of the Day!

#2463

What is the Internet of Things?
What Is a Spit Valve?

We don’t mean to toot our own horn, but we think today’s Wonder of the Day will be music to your ears.

#399

What Is a Spit Valve?
Who Is Uncle Sam?

Today’s Wonder of the Day features everyone’s favorite uncle!

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Who Is Uncle Sam?
How Do Mood Rings Work?

We hope you’re in the mood for an interesting Wonder of the Day today!

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How Do Mood Rings Work?