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Wonderopolis

Why Does Cold Air Feel Crisp?

Today’s Wonder of the Day is a breath of fresh air!

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Why Does Cold Air Feel Crisp?
How Do You Make Your Lips Smile?

Today’s Wonder of the Day may make you pucker up!

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How Do You Make Your Lips Smile?
What Is a Cold Front?

Grab a coat! Colder weather is moving into Wonderopolis today!

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What Is a Cold Front?
Where is Coober Pedy?

Today’s Wonder of the Day is such a well-kept secret, you might even say it’s “underground”!

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Where is Coober Pedy?
Can It Snow When It’s Not Cold?

We hope you don’t think today’s Wonder of the Day is too flaky!

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Can It Snow When It’s Not Cold?
What’s So Special About Snow Tires?

If you’re TIREd of SNOW, then today’s Wonder of the Day is just for you!

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What’s So Special About Snow Tires?
Can You Unwrap a Mummy?

We hope you’ll get all wrapped up in today’s Wonder of the Day!

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Can You Unwrap a Mummy?
What Should You Feed a Cold?

Today’s Wonder of the Day is both hot and cold and full and empty.

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What Should You Feed a Cold?
How Does a Wetsuit Work?

Today’s Wonder of the Day is all wet, but you’ll stay toasty and warm!

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How Does a Wetsuit Work?
Where Is the Coldest Place on Earth?

It doesn’t get any colder than where Wonderopolis is going today!

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Where Is the Coldest Place on Earth?
How Can You Breathe Where Trees Don’t Grow?

Today’s Wonder of the Day is a breath of fresh air!

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How Can You Breathe Where Trees Don’t Grow?
What Is a Polar Ice Cap?

Hope you brought your jacket! Today’s Wonder of the Day is served over ice — at the North and South Poles!

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What Is a Polar Ice Cap?
When Does the Wind Chill?

Better bring a scarf to today’s Wonder of the Day. We think it’s going to be a bit chilly!

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When Does the Wind Chill?
How Cold Is Liquid Nitrogen?

Brr! You might want to bring a jacket if you’re joining us in Wonderopolis today!

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How Cold Is Liquid Nitrogen?
Why Do You See Your Breath When It’s Cold?

Brrr! A cold front is moving through Wonderopolis today. Better bring a sweater!

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Why Do You See Your Breath When It’s Cold?
What Is Lake Effect Snow?

Better bring your shovel with you to Wonderopolis today!

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What Is Lake Effect Snow?
Who Were the Neanderthals?

Today’s Wonder of the Day is really, really old!

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Who Were the Neanderthals?
How Far Can a Sneeze Travel?

We're saying "Gesundheit!" to today's Wonder of the Day!

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How Far Can a Sneeze Travel?
How Do Refrigerators Work?

Today’s Wonder of the Day is one of our coolest ever!

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How Do Refrigerators Work?
Why Do Noses Bleed?

If you pick up on the scent of today’s Wonder of the Day, who nose where it’ll lead you?

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Why Do Noses Bleed?

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