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Explore Wonders | Find: 印第安纳州出生证明买个多少钱（证件网:ｂｚｗ９８５.ｃｏｍ)登封学位证书遗失可以做个新的-亚拉巴马州立大学学历认证办理（证件网:ｂｚｗ９８５.ｃｏｍ)学位证书丢Um | Wonderopolis

Wonderopolis

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What Are Filler Words?

So…um…we think…uh…that…you know…you’ll like today’s Wonder of the Day…um…yeah!

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What Are Filler Words?
What Is Psithurism?

Today’s Wonder of the Day is filled with a familiar, soothing sound!

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What Is Psithurism?
Do Animals Dream?

Is today’s Wonder of the Day real? Or is it just a dream?

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Do Animals Dream?
What Is Mustard Made Of?

Hot dog! Join us today for a bright-yellow Wonder of the Day that goes great with ketchup and is a perennial picnic favorite.

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What Is Mustard Made Of?
Why Are Brick Houses So Strong?

You can huff and puff, but you won’t blow down today’s Wonder of the Day!

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Why Are Brick Houses So Strong?
How Can You Tell How Old Animals Are?

Today’s Wonder of the Day might have you saying “Happy Birthday!” to everything from aardvarks to zebras!

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How Can You Tell How Old Animals Are?