Have You Ever Wondered... What is a Rube Goldberg machine? Who was Rube Goldberg? Why are Rube Goldberg machines so fascinating?

Have You Ever Wondered... How does a calculator work? When was the calculator invented? How big were the first calculators?

Have You Ever Wondered... How does a species become endangered? How many species are on the endangered species list? What can you do to help protect endangered species?

How Do Things Glow in the Dark?F inally, summer! A time for swimming pools and cookouts. The season of ice cream and popsicles! What else represents summer for you? Sunglasses? Picnic baskets? How ...

Today’s Wonder of the Day was inspired by Dominic. Dominic Wonders, “ Can parrots actually talk? ” Thanks for WONDERing with us, Dominic!

Have You Ever Wondered... How does the Electoral College work? How many total electors are there today? Why was the Electoral College system developed?

Today’s Wonder of the Day was inspired by Justin. Justin Wonders, “ What is March Madness? ” Thanks for WONDERing with us, Justin!

Today’s Wonder of the Day was inspired by Nya. Nya Wonders, “How do car brakes work” Thanks for WONDERing with us, Nya! If a deer runs out in front of your car, though, you might start thinking about ...

What Is Four-Wheel Drive?D oes your family use a four-wheel drive vehicle? If not, chances are you know someone who does. Have you ever ridden in a four-wheel drive vehicle off-road over rough terrain ...

How Do Mirrors Work?W ould you believe that mirrors have been around since the beginning of time? It's true! The first human beings ever to look into a calm, dark pool of water saw their reflections.

W hen you look around you, what do you see? The world is filled with all sorts of things to look at. Trees, birds, people, cars… the list goes on and on. If you look up at the night sky, you may see ...

Ready to go for a dive? Dive into one or more of the following activities with a friend or family member: With the help of an adult, see how long each of you can hold your breath. Record your times on ...