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Why Does Hair Turn Gray?

There’s nothing black and white about today’s Wonder of the Day!

Why Does Hair Turn Gray?

Why Is Grass Green?

Roses are red, violets are blue, grass is...green. But why? Mow-sy on over to today's Wonder to find out what’s responsible for grass’s signature color.

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Why Is Grass Green?

Is Bluegrass Really Blue?

They say the grass is always greener on the other side. Mow-sy on over to Wonderopolis to find out if they’re right!

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Is Bluegrass Really Blue?

Who Was St. Nick?

Better not pout…better not cry…because you-know-who is watching!

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Who Was St. Nick?

How Much Do You Weigh On the Moon?

We hope today’s Wonder of the Day doesn’t weigh you down!

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How Much Do You Weigh On the Moon?

What Is a Prime Number?

Today’s mathematical Wonder of the Day may have you counting 2, 3, 5, 7, 11, 13, 17, 19, 23, 29…

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What Is a Prime Number?

What Is an Eagle?

Fore! With a stroke or two of luck, today’s Wonder of the Day will soar like it has wings.

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What Is an Eagle?

What Is a Palindrome?

No matter which direction you read it, today’s Wonder of the Day is all the same!

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What Is a Palindrome?

Why Should We Remember the Alamo?

We wish we had already told you about today’s Wonder of the Day, because we need help remembering!

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Why Should We Remember the Alamo?

How Far Can Butterflies Fly?

Why did the little boy throw butter out the window? Find out today in Wonderopolis!

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How Far Can Butterflies Fly?

What Are Your Odds Of Winning the Lottery?

Trying to guess what today’s Wonder of the Day is going to be about? You’ve got about a one in a million shot of guessing correctly!

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What Are Your Odds Of Winning the Lottery?

Who Owns the Smallest House?

Even though today’s Wonder of the Day is tiny, it’s big on fun!

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Who Owns the Smallest House?

What Are the 12 Days of Christmas?

We’ve got a dozen reasons why you should visit Wonderopolis today!

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What Are the 12 Days of Christmas?

How Much Water Is In a Watermelon?

What’s green on the outside, pink on the inside, and full of water? Find out today in Wonderopolis!

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How Much Water Is In a Watermelon?

Who Created Frozen Pizza?

Mmmm! Can you smell that? Join us in Wonderopolis today as we defrost that frozen Frisbee and bake it into a tasty treat!

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Who Created Frozen Pizza?

What Is a One-Hit Wonder?

Today’s Wonder of the Day is the best ever. Seriously, it’s No. 1 all the way!

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What Is a One-Hit Wonder?

How Big Are Your Feet?

Today’s Wonder of the Day might have you searching for Bigfoot!

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How Big Are Your Feet?

How Does the Binary System Work?

We need help deciphering today's Wonder of the Day—it's all ones and zeroes!

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How Does the Binary System Work?

What Is a Bandicoot?

Today’s Wonder of the Day features an animal whose name you won’t soon forget!

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What Is a Bandicoot?

Why Do We Have Different Time Zones?

It’s time to get in the zone… the time zone! Today in Wonderopolis we’re exploring why clocks say different things in different places.

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Why Do We Have Different Time Zones?

Explore the World of Wonders

Why Does Hair Turn Gray?

Why Is Grass Green?

Is Bluegrass Really Blue?

Who Was St. Nick?

How Much Do You Weigh On the Moon?

What Is a Prime Number?

What Is an Eagle?

What Is a Palindrome?

Why Should We Remember the Alamo?

How Far Can Butterflies Fly?

What Are Your Odds Of Winning the Lottery?

Who Owns the Smallest House?

What Are the 12 Days of Christmas?

How Much Water Is In a Watermelon?

Who Created Frozen Pizza?

What Is a One-Hit Wonder?

How Big Are Your Feet?

How Does the Binary System Work?

What Is a Bandicoot?

Why Do We Have Different Time Zones?

SCIENCE 1252 Wonders

MATH 51 Wonders

SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

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