Wonderopolis

Why Do I Have Bad Breath in the Morning?

Today’s Wonder of the Day really stinks…but it’s nothing a toothbrush won’t fix!

#1197

Why Do I Have Bad Breath in the Morning?
Do Cows Really Have Four Stomachs?

If you’re coming to Wonderopolis today, you’d better bring your appetite!

#1871

Do Cows Really Have Four Stomachs?
How Do Fangs Work?

Today’s Wonder of the Day is one you’ll really want to sink your teeth into!

#365

How Do Fangs Work?
Why Is Bubble Gum Sticky?

Today’s Wonder of the Day will really stick with you!

#1724

Why Is Bubble Gum Sticky?
How Do You Digest Food?

Today’s Wonder of the Day might have you feeling a bit rumbly in your tummy!

#1340

How Do You Digest Food?
How Do Wasps Build Their Nests?

Join us in Wonderopolis for a closer look at a nest you don’t want to mess with!

#1680

How Do Wasps Build Their Nests?
Why Do Dogs Drool?

Today’s Wonder of the Day is bad to the bone!

#1379

Why Do Dogs Drool?
How Long Is a Giraffe’s Tongue?

The subject of today’s Wonder of the Day is in trouble if it gets a sore throat!

#1347

How Long Is a Giraffe’s Tongue?
Why Do Mosquito Bites Itch?

Today’s Wonder of the Day may have you swatting and scratching!

#942

Why Do Mosquito Bites Itch?
How Does Invisible Ink Work?

Now you don’t see it…now you do! Calling all super spies and secret agents! Today, we’re learning about invisible ink.

#1185

How Does Invisible Ink Work?
What Is the Smallest Living Mammal?

You might have to look really hard to see today’s Wonder of the Day!

#1140

What Is the Smallest Living Mammal?
Why Are Pavlov’s Dogs Famous?

We sure hope today’s Wonder of the Day rings a bell!

#1102

Why Are Pavlov’s Dogs Famous?
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?
Why Does Gum Lose Its Flavor?

We hope you won’t think today’s Wonder of the Day is completely tasteless!

#451

Why Does Gum Lose Its Flavor?