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Why Do Some Eggs Have Two Yolks?

Join us in Wonderopolis today to help us eggs-plore a mystery!

#8

Why Do Some Eggs Have Two Yolks?

Why Do Catfish Have Whiskers?

Let’s dive in to find out what cats and catfish have in common.

#38

Why Do Catfish Have Whiskers?

Where Is the 38th Parallel?

Join us in Wonderopolis today as we travel to a peninsula split by an imaginary line!

#2088

Where Is the 38th Parallel?

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…

#190

What Is a Prime Number?

What Is Mercury?

Today’s Wonder of the Day is a bit mercurial!

#921

What Is Mercury?

How Do You Listen to Music?

We believe today’s Wonder of the Day will be music to your ears!

#1008

How Do You Listen to Music?

How Did the Months of the Year Get Their Names?

Today’s wonder features a daily dozen you use all year long. Find out how the months got their names!

#89

How Did the Months of the Year Get Their Names?

Why Did They Put the Alphabet in Math?

We’re combining the ABCs with the one, two, threes in today’s Wonder of the Day!

#2854

Why Did They Put the Alphabet in Math?

Can a Strait Be Crooked?

Sail on over to Wonderopolis today, and we’ll give you the strait story!

#421

Can a Strait Be Crooked?

What Is the Space-Time Continuum?

We hope you have the time to join us in Wonderopolis today. We’ll save you some space!

#1859

What Is the Space-Time Continuum?

Who Was the First Female and American Indian Engineer?

Join Wonderologists today as we learn about a woman who played an important role in putting people on the moon.

#2928

Who Was the First Female and American Indian Engineer?

Did a Cow Start the Great Chicago Fire?

Be sure to read today’s Wonder of the Day before it goes up in flames!

#1290

Did a Cow Start the Great Chicago Fire?

What is a Ghost Ship?

This Wonder of the Day is anything but BOO-ring!

#2459

What is a Ghost Ship?

Can the Fountain Of Youth Make You Younger?

Most children can’t wait to get older, but parents often wish they could turn back the hands of time. Join us as we take a dip in the Fountain of Youth!

#187

Can the Fountain Of Youth Make You Younger?

What Is AIDS?

Learn about a global epidemic in today’s Wonder of the Day.

#2829

What Is AIDS?

Why Do We Round Numbers?

You can count on today’s Wonder of the Day to help you make some accurate guesses!

#1942

Why Do We Round Numbers?

Where Was Abraham Lincoln Born?

Join us in Wonderopolis today as we say “Happy Birthday!” to President Abraham Lincoln and explore his old Kentucky home.

#132

Where Was Abraham Lincoln Born?

Where in the World Is Myanmar?

Today’s Wonder of the Day takes you on a fantastic voyage to Southeast Asia!

#1148

Where in the World Is Myanmar?

Where Is the Emerald Isle?

Today’s Wonder of the Day will take you to a place some might call the green island!

#1418

Where Is the Emerald Isle?

Why Do Elephants Have Big Ears?

Check out today’s Wonder of the Day to learn more about a special animal who has a built-in air conditioning system on the sides of its head!

#1199

Why Do Elephants Have Big Ears?

Explore the World of Wonders

Why Do Some Eggs Have Two Yolks?

Why Do Catfish Have Whiskers?

Where Is the 38th Parallel?

What Is a Prime Number?

What Is Mercury?

How Do You Listen to Music?

How Did the Months of the Year Get Their Names?

Why Did They Put the Alphabet in Math?

Can a Strait Be Crooked?

What Is the Space-Time Continuum?

Who Was the First Female and American Indian Engineer?

Did a Cow Start the Great Chicago Fire?

What is a Ghost Ship?

Can the Fountain Of Youth Make You Younger?

What Is AIDS?

Why Do We Round Numbers?

Where Was Abraham Lincoln Born?

Where in the World Is Myanmar?

Where Is the Emerald Isle?

Why Do Elephants Have Big Ears?

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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