Future problems of energy, food, medicines and materials are the problems of chemistry. No science is more at the core of every technology that supports the seven billion people living on the planet today than chemistry. Core chemistry presents how each branch of chemistry - physical chemistry, organic chemistry and biochemistry - evolved from a clear understanding of the principles and laws of chemical interactions.

Learn about the forces inside the Earth that cause volcanoes to erupt and earthquakes to shake the landscape. Part if the 'Eyewitness DVD' video series.

Filmed in high definition, this groundbreaking series is captured in its entirely. Twenty-six programs cover the gamut from underwater to desert life, and demonstrate how important this resource is to life on Earth.

Filmed in high definition, this groundbreaking series is captured in its entirely. Twenty-six programs cover the gamut from underwater to desert life, and demonstrate how important this resource is to life on Earth.

Filmed in high definition, this groundbreaking series is captured in its entirely. Twenty-six programs cover the gamut from underwater to desert life, and demonstrate how important this resource is to life on Earth.

A mixture of animation and live footage serves as a background for a narrated introduction to a portrayal of weather and climate and their influence on human life and activities.

Collection of all 46 Schoolhouse rock! songs on the topics of science, multiplication, money, American history and English grammar. Plus, the new song "I'm gonna send your vote to college" about the American electoral college.

Blast off with Jake on a live-action, musical, outer space adventure featuring ten original songs! Traveling inside his toy rocket, Jake's mission depends on the help of eight friendly planets and their pal Pluto, who magically talk and sing. Songs combine fun lyrics about the planets with memorable melodies for one big whopping, planet-hopping experience that's out of this world!

An astonishing journey revealing the awesome power of the natural world. Over the course of one single day, we track the sun from the highest mountains to the remotest islands to exotic jungles. Breakthroughs in filmmaking technology bring you up close with a cast of unforgettable characters. Told with humor, intimacy and a jaw-dropping sense of cinematic splendor.

Wildlife activists go undercover to expose ways in which the illegal wildlife trade and the oil and gas industries are contributing to the extinction of increasing numbers of species.