Children’s / Teenage general interest: Science and technology

Are you ready to take off with the world's fastest supersonic aircraft?

Motorcycles are made for speed-but some get there louder and faster than others!

Jump behind the wheel of the sleekest, swiftest automobiles, both on and off the race track.

Times are tough for shrimpers and fishers in the Gulf of Mexico.

Ebola is a deadly contagious disease.

Is frosting the fluffiest food?

Ebola is a deadly contagious disease.

What do giant squids, mantis shrimp, and fireflies have in common?

Could window panes be made out of wood?

Team up with Ackerley the Acanthostega to travel back 66 million years to the Tertiary and Quaternary periods of prehistoric Earth, when mammals came to dominate the planet.

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet.

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago.

Join Ackerley the Acanthostega and travel back in time 4,500 million years to the Precambrian period, when our planet first formed.

Scientists have identified at least 100 million pieces of space debris-from paint chips to nonoperational zombie satellites-floating in Earth's orbit.

The Internet gives us information, communication options, shopping opportunities, entertainment, and much more-all at the touch of a fingertip and much of it for free.

What do giant squids, mantis shrimp, and fireflies have in common?

If you pay attention to the news, you've probably seen some scary headlines: car and plane crashes, trains going off the tracks, and more.

If you pay attention to the news, you've probably seen some scary headlines: deadly viruses spreading, obesity on the rise, and more.

If you pay attention to the news, you've probably seen some scary headlines: fiery NASCAR crashes, career-ending sports injuries, and more.

If you pay attention to the news, you've probably seen some scary headlines: an entire town destroyed by a tornado, floodwaters up to house roofs, and more.

What is the longest bone in your body?

Where is the Solar System's biggest mountain?

What is the oldest building in the world?

In the early nineteenth century, much of the land west of the Mississippi River was not yet part of the United States.

Math is everywhere when it comes to the weather!

Math is everywhere when it comes to money!

Math is everywhere in the garden!

Math is everywhere when it comes to fitness!

Flowering plants, cone-bearing plants, ferns, and mosses make up the four main plant groups.

Carbon is everywhere.

People use many kinds of computers.

The Internet connects computers across the world.

Programs and apps make computers useful.

Video games today are more advanced than ever.

Using the Internet can be an exciting adventure.

Computers cannot understand human languages such as English.

Which works better to haul a pumpkin-a lever or wheels and axles?

Which makes it easier to lift a large toy-a wedge or wheels and axles?

Is it easier to move ice with a lever or a screw?

Is it easier to lift a bag full of toys with an inclined plane or a pulley?

These kids are playing a game, trying to move a person with a simple machine.

Is it easier to move heavy box with an inclined plane or wheels and axles?

A rock is a rock, part of cliff, road or sea.

The octopus spies a nice, tasty mantis shrimp.

In 1638, John Lewger made a home in the wilderness of the New World, in a place called Maryland.

Team up with Ackerley the Acanthostega to travel back 66 million years to the Tertiary and Quaternary periods of prehistoric Earth, when mammals came to dominate the planet.

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago.

Join Ackerley the Acanthostega and travel back in time 4,500 million years to the Precambrian period, when our planet first formed.

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet.

What animal was here?