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Explore Wonders | Find: 366论坛（网址:QY81.COM）366论坛_366论坛_366论坛_366论坛_366论坛366论坛_366论坛_366论坛_w3a33awa | Wonderopolis

Wonderopolis

Why Do We Blow Out Birthday Candles?

You say it’s your birthday? It’s our birthday, too! Join us today for Wonderopolis’ birthday party!

#366

Why Do We Blow Out Birthday Candles?
What Is the Birthday Paradox?

Today in Wonderopolis we’ll be blowing out some birthday candles!

#1757

What Is the Birthday Paradox?
Why Do Some Years Leap Ahead?

Today’s Wonder of the Day only comes around once every four years. Don’t miss it!

#514

Why Do Some Years Leap Ahead?
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!

#527

Who Is Uncle Sam?
How Do Mood Rings Work?

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

#412

How Do Mood Rings Work?