From robotic spiders to unmanned planes, robots come in many shapes and sizes. But scientists have long tried to make robots in the most familiar shape of all–us! Learn about…

The U.S. Capitol represents our nation’s government and its laws. Using primary sources, young readers hear the story behind this American symbol from the people who helped make it what…

What do disarming bombs and exploring the surface of Mars have in common? These activities are dangerous or impossible for humans. That’s why robots do them instead! Discover the risky…

Did you know tigers are the biggest members of the cat family? Read to learn more about their size and other facts about this mammal –

The fierce and deadly saber-toothed cat pounced on its prey during the Ice Age. Go back in time an learn all about this prehistoric predator.

From greetings to holidays, there are tons of times in your world where you can sign. What’s the sign for happy? Or for cake? Learn helpful words for birthdays, feelings…

Did you know a vampire bat feeds on blood? Read to learn about the vampire bat’s diet and other facts about this mammal –

Sweet purple lilacs bloom. Tulips poke through soil. Cherry blossoms open. Spring is here! Celebrate the season with lovely photos and a simple design that beautifully support early readers.