According to one statistic, six percent of male teens and ten percent of female teens intentional...

This journey through world history offers young learners a look at 30 important moments in the 20...

What is an immigrant? How have immigrants shaped the United States? Immigration Nation: The Ameri...

'After the Civil War, Americans struggled to repair the divided nation. How does a country rebuil...

The energy released when volcanoes erupt, engines combust, or bombs explode both thrills and fasc...

Retraces the paths taken by humanity's prehistoric ancestors to explain the role of migration in ...

Slavery or freedom? The question of whether to make the United States a slave country or to make ...

Han Liu rejects his father's attempts to teach him traditional Chinese values. But when an earthq...

What is an immigrant? How have immigrants shaped the United States? Immigration Nation: The Ameri...

'The Underground Railroad was a [19th century] network of secret routes and safe houses operated ...

Using engaging text, hands-on activities, and links to primary sources, The American Revolution:...

As racial tensions ripped the country apart, presidents from Eisenhower through Nixon worked to u...