大有作为

This is a story about youth with music. It all happens at the Dandelion School, Beijing’s first middle school specifically established for the...

Morgan Spurlock tours the Middle East to discuss the war on terror with Arabic people.

The free, almost naive view from the perspective of a child puts the "68ers" in a new, illuminating light in the anniversary year 2008. The film is a...

Documentary about the merging of the Communist Party of Germany and the Socialist Unity Party of Germany in the Soviet occupation zone, a merger that...

This video reinforces the importance of safe crossing and loading/unloading behaviors for primary age students. In the story, the main character goes...

In 2017, twenty years after the British handed over Hong Kong to China in 1997, young people, more politicized than any previous generation and proud...

In Astronomy Part 2, you will learn all about the planets, asteroids, comets, meteoroids, the layers of the sun, fusion, and more. The Standard...

This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's magnetic field, the solar system, the sun, Kepler's...

Every year, millions of high school and college students walk into their first geometry class thinking: "Circles and squares. How tough can it be?"...

Physics is a system of models of nature according to which all phenomena are explained in terms of matter and force. Sound confusing? It doesn't have...

A look at the issue of high-quality early care and education in America, from home to childcare to preschool; the tragic cost of getting it wrong;...

With all those X's and Y's, pre-algebra can be very intimidating. But with the right preparation, pre-algebra is as easy as 1-2-3! Building on your...