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Why Is a Dog Man’s Best Friend?

Today’s Wonder of the Day is sure to have you wagging your tail!

#2020

Why Is a Dog Man’s Best Friend?
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?
What is COVID-19?

Read today’s Wonder of the Day for useful information about COVID-19.

#2545

What is COVID-19?
What Do B.C. and A.D. Stand For?

We think YEAR going to really love this Wonder of the Day!

#2541

What Do B.C. and A.D. Stand For?
What Is a Decade?

Today’s Wonder of the Day calls for a celebration!

#2648

What Is a Decade?
Did Stonehenge Have Neighbors?

We think you’ll really DIG this Wonder of the Day!

#2625

Did Stonehenge Have Neighbors?
Does It Really Rain Diamonds on Neptune?

Don’t worry about RAINing in your excitement—this Wonder of the Day shines like a DIAMOND!

#2711

Does It Really Rain Diamonds on Neptune?
Who Was Shakuntala Devi?

Our Wonders of the Day just keep MULTIPLYing!

#2811

Who Was Shakuntala Devi?
Who Invented the Skateboard?

You may want to wear a helmet while reading today’s Wonder of the Day!

#2365

Who Invented the Skateboard?
How Far Away Is Proxima Centauri?

Today’s Wonder of the Day is aPROXIMAtely fantastic!

#2791

How Far Away Is Proxima Centauri?
How Often is “Once in a Blue Moon”?

This Wonder of the Day really BLUE us away!

#2546

How Often is “Once in a Blue Moon”?
How Do Mobile Phones Affect the Ecosystem?

We hope you’re ready to save the Earth after today’s Wonder of the Day!

#2326

How Do Mobile Phones Affect the Ecosystem?
Who Was the Queen of Tejano Music?

Today’s Wonder of the Day is about a big star!

#2819

Who Was the Queen of Tejano Music?
What Are the Most Exciting Two Minutes in Sports?

And they’re off! Today’s Wonder of the Day will have you racing to the finish line.

#2623

What Are the Most Exciting Two Minutes in Sports?
What Caused the Hong Kong Protests?

Learn more about a current event in today’s Wonder of the Day!

#2658

What Caused the Hong Kong Protests?
What is CRISPR?

Today’s Wonder of the Day is so new, it’s CRISP!

#2567

What is CRISPR?
Can We Create a Sun?

Today’s Wonder of the Day puts us in a SUNny mood!

#2704

Can We Create a Sun?
Why Do We Celebrate Women's History?

Today’s Wonder looks at celebrating the history of “her”story–women’s history!

#2921

Why Do We Celebrate Women's History?

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