Demi Lovatos accomplishments include Disney star, best-selling recording artist, and judge on the...

Dynamic photos and simple text explain the different roles helicopters play in the military. Youn...

This wonderful book describes the different traditions and festivals celebrated in Japan today an...

The history of workers' rights in the United States.

When tanks roared onto the battlefield for the first time in World War I, these mechanical beasts...

What are the machines and vehicles that tear through tough material, then make our roads smooth a...

Learn about the holidays and festivals celebrated in Egypt.

This modern-day pirate tale details the recent hijacking and daring rescue of the Maersk Alabama ...

Did you know that stratus clouds can cover the sky like a thick gray blanket? Stratus clouds are ...

Wo+AR154men's Suffrage examines the evidence of the fight for women's equality, from the mid-1800...

Most people came to know Zac Efron as Troy Bolton, the star athlete with hidden musical talents i...

Bicycles: Pedal Power looks at different kinds of bikes used for transportation, work, and fun. R...