Explore Wonders | Find: %20%E5%AF%B9%E5%BC%88%E7%AB%9E%E7%8C%9C%E8%AE%A1%E7%AE%97%E3%80%8E%E8%AE%BF%E9%97%AE%3Aww80.cc%E3%80%8F-w8m8t8y8-rlirrfots

Why Do People Kiss Under Mistletoe?

Uncover the history behind the plant in the doorway and its power to make people pucker up.

Why Do People Kiss Under Mistletoe?

What's the Difference Between Snow, Sleet, and Freezing Rain?

There’s a winter weather alert in Wonderopolis! The weatherman is predicting a lesson on snow, sleet, and freezing rain.

#97

What's the Difference Between Snow, Sleet, and Freezing Rain?

Why Do Pianos Have 88 Keys?

Today’s Wonder of the Day is all about the ebonies and the ivories!

#1142

Why Do Pianos Have 88 Keys?

What Makes Popcorn Pop?

Butter? Check! Salt? Check! Movie? Check! Now what are we missing…? Visit Wonderopolis today to find out!

#20

What Makes Popcorn Pop?

Where Does French Toast Come From?

Today we’re toasting a breakfast treat with a mistaken identity. It’s delicious for sure, but surprisingly not French.

#88

Where Does French Toast Come From?

Why Do Sidewalks Have Lines?

Today’s Wonder of the Day will be a walk in the park if you stay between the lines!

#403

Why Do Sidewalks Have Lines?

Do Robots Wonder?

Today’s Wonder of the Day takes a closer look at machines that sometimes act like people!

#629

Do Robots Wonder?

Who Invented Sticky Notes?

We can’t remember what today’s Wonder of the Day is about. We should’ve written ourselves a note!

#473

Who Invented Sticky Notes?

Why Doesn't Glue Stick To the Inside Of the Bottle?

If you ever find yourself in a sticky situation, today’s Wonder of the Day could be very helpful. Join us as we let the genie — ummm, glue — out of the bottle!

#315

Why Doesn't Glue Stick To the Inside Of the Bottle?

Why Is Ice Slippery?

Skate on over to Wonderopolis today for a Wonder that’s really slick!

#494

Why Is Ice Slippery?

What Is a Pothole?

We hope today’s Wonder of the Day isn’t an obstacle in your path to learning!

#1147

What Is a Pothole?

How Does a Wetsuit Work?

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

#2104

How Does a Wetsuit Work?

What Are Baseballs Made of?

We think you’ll have a ball reading today’s Wonder of the Day!

#2073

What Are Baseballs Made of?

What Is the Giant Magellan Telescope?

If you’re joining us in Wonderopolis today, set your sights on the stars!

#2197

What Is the Giant Magellan Telescope?

How Many Cars Are on the Road at One Time?

Today’s Wonder of the Day really has us stuck in a jam!

#1608

How Many Cars Are on the Road at One Time?

Who Was Cleopatra?

Today’s Wonder of the Day explores the mysterious Queen of the Nile!

#1950

Who Was Cleopatra?

How Can Dogs Hear Things We Can’t?

Have you ever wondered how dogs can hear things we can’t? Let’s find out what makes man’s best friend such a good listener.

#1194

How Can Dogs Hear Things We Can’t?

How Did the Pretzel Get Its Shape?

Come hungry to Wonderopolis today, as we take a look at the twists and turns that are unique to a salty snack that’s a favorite all around the world!

#200

How Did the Pretzel Get Its Shape?

Where Is the Great White North?

Join us today for a road trip to the Great White North!

#1717

Where Is the Great White North?

What Types of Things Can You Recycle?

We’re confident today’s Wonder of the Day won’t be a waste of your time!

#2140

What Types of Things Can You Recycle?

Explore the World of Wonders

Why Do People Kiss Under Mistletoe?

What's the Difference Between Snow, Sleet, and Freezing Rain?

Why Do Pianos Have 88 Keys?

What Makes Popcorn Pop?

Where Does French Toast Come From?

Why Do Sidewalks Have Lines?

Do Robots Wonder?

Who Invented Sticky Notes?

Why Doesn't Glue Stick To the Inside Of the Bottle?

Why Is Ice Slippery?

What Is a Pothole?

How Does a Wetsuit Work?

What Are Baseballs Made of?

What Is the Giant Magellan Telescope?

How Many Cars Are on the Road at One Time?

Who Was Cleopatra?

How Can Dogs Hear Things We Can’t?

How Did the Pretzel Get Its Shape?

Where Is the Great White North?

What Types of Things Can You Recycle?

SCIENCE 1252 Wonders

MATH 51 Wonders

SOCIAL STUDIES 643 Wonders

LANGUAGE ARTS 162 Wonders

TECHNOLOGY 292 Wonders

ARTS & CULTURE 565 Wonders

Spread the Joy of Wonder

GET YOUR WONDER DAILY

Join the Buzz

Share with the World

Share Wonderopolis

Wonderopolis Widget