• Which animal has the best hearing?
  • Do animals need ears to hear?
  • Can all animals hear?
Find it out

Moths likely evolved to have a sharp sense of hearing to help them escape from its most common predator, the _________.

Test your knowledge
  • What is spekboom? 
  • Where does spekboom grow? 
  • Why is spekboom called a “miracle plant”?
Find it out

Which of the following statements is NOT true, according to this Wonder?

Test your knowledge
  • What is a hybrid?
  • How do hybrid cars work?
  • What are the pros and cons of hybrid cars?
Find it out

Which of the following is a benefit of hybrid automobiles?

Test your knowledge
  • How are pop-up books made?
  • What types of movable books are there?
  • When did the first mechanical book appear?
Find it out

The first manuscript featuring movable mechanics appeared in what year?

Test your knowledge
  • Where is the Platte River?
  • What are sandhill cranes?
  • Why do sandhill cranes flock to the Platte River?
Find it out

Which river does the Platte River join at Nebraska’s eastern border?

Test your knowledge

Where are You Wondering?

Discover Wonder Hotspots nearby and join!


What Are You Wondering?

Join in the Wonder Creation

Make YOUR wonder a wonderful reality!


...Questions in the Wonder Bank and counting! Here are the latest...

Latest from the Wonder Bank

  • How Does Reusability Affect Space Travel?
    Wonder Friend
    Published as Wonder of the Day #2776
  • Are monsters real
  • How is plastic made?
  • What is the easiest way to learn a new lanuage
  • how to make a robot
  • Once you said "Sound often travels farther in the early hours thanks to lower temperatures. why does sound do that?
  • What is the best hotel?
  • gow to make a robot
  • How much would a meteor destroy if it hit a city?
  • What is the hardest math equasion on Earth!
  • Who is stronger, a bear or lion?
  • what is the highest number we know?
  • what is the highest number we know?
  • What animal is the most dangerous to humans?
  • what is the highest number we know?
  • What is a point of view?
  • how much people visit this webstite
  • who invented pokemon
  • Where do crockidials live?
  • How do you work a motorcycle
  • Are there other life out there? In space?
  • Why do fireflies glow?
  • how was south america affected by the world wars?
  • If animals see different colors than us what is the real color of the earth
  • what is the HRE?
  • Why do some people believe in aliens?
  • What happens when you die?
  • Why are we born with 2 kidneys if you only need one
  • What is a Virgo?
  • Can blind people see in their dreams?
View all questions in the Wonder Bank

Top Nominated Wonder Questions:

  • +58

    Why do Olympians bite their medals?

    Sam — Glen Allen, VA

  • +50

    What causes blindness?

    Katherine — Owatonna, MN

  • +46

    How does weeds grow?

    Rafiul — Sydney, AL

  • +38

    How many animals are on earth?

    helaina — clearwater, FL

  • +35

    Why does a slinky get tangled so easily and is so hard to untangle?

    Terry — Garner, NC

  • +34

    Why do we procrastinate?


Vote for wonder nominees

Explore the World of Wonders

Discover the latest Wonders from SCIENCE: Science, Life Science, Hearing, Ear, Moth, Bat, and more

Wonderopolis #17

Can You Garden in the City?

Over seven billion people call Earth home these days. Feeding all those hungry people is no small task. Fortunately, scientific advances have helped to modernize agriculture to the point where billion...

Wonderopolis #1

Why Are Flamingos Pink?

We were hanging out on the Wonderopolis seashore the other day when we overheard an interesting conversation between a seagull and a pelican:

Wonderopolis #3

Can Plants Eat Insects?

When you think of a jungle adventure, what comes to mind? Swinging around from tree to tree on vines? Gorgeous birds flying through the air? Monkeys and other exotic creatures prowling through the den...

Wonderopolis #19

What Would You Pack For a Trip To Outer Space?

Have you ever dreamed of traveling in space? For many kids, gazing at the stars leads to daydreams about what it would be like to be an astronaut. Would you like to travel on a spaceship? Just think a...

Spread the Joy of Wonder

Wonderopolis Widget

Interested in sharing Wonderopolis® every day? Want to add a little wonder to your website? Help spread the wonder of families learning together.

Add widget

Wonderopolis Partners & Sponsors


Spread the Joy of Wonder

Wonderopolis Widget

Interested in sharing Wonderopolis® every day? Want to add a little wonder to your website? Help spread the wonder of families learning together.

Add widget