The Invisible School

EVERYTHING YOU NEED TO KNOW TO ACE PRE-CALCULUS IS AT YOUR FINGERTIPS: functions, polynomials, f(x), RATIONAL FUNCTIONS, standard form for rational...

Ten years after the film Home (2009), Yann Arthus-Bertrand looks back, with Legacy, on his life and fifty years of commitment. It's his most personal...

In an age when misinformation, alternative facts, and conspiracy theories have become mainstream, UFOs have risen to become one of the most-talked...

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;...

The documentary's title translates as "to be and to have", the two auxiliary verbs in the French language. It is about a primary school in the...

A teacher in a disadvantaged community rebels against a system that neglects many of its vulnerable students. Gloria Merriex transforms into a...

A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing...

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...