These 36 half-hour lectures are your initiation into the geological world that lies just outside your door. "The Nature of Earth: An Introduction to Geology" introduces you to physical geology, the study of Earth's minerals, rocks, soils, and the processes that operate on them through time.

It's science time! Highlights Explore & Learn! videos combine educational segments with entertaining storytelling that will encourage young children's curiosity around science topics. In The Wonders of the World, viewers will explore lakes, the earth's layers, and even a volcano! Highlights is an essential part of childhood, inspiring memorable experiences for generations of families. Highlights' Fun with a Purpose! philosophy has helped children...

Using CGI, National Geographic, NASA, and the U.S. Geological Survey show how the planet's mountains, land masses, and oceans were formed.

Presentation of the latest scientific theories regarding the formation of the Earth, the continents, the oceans, and climate, and the relation of the earth to the rest of the solar system.

Children discover the characteristics of minerals and see how different minerals make up different kinds of rocks: igneous, sedimentary and metamorphic.

Explore how precious gems, metals, and energy resources are forged under extraordinary circumstances deep within the Earth, and discover how their unique properties have helped lift humanity from the Stone Age to the stars.

Tyson looks at the most confounding mysteries of Earth, space, and what it means to be human. He attempts to answer all of your most pressing questions, from how the brain works to the physics of comic book superheroes.

Children examine the different ways fossils are formed, and see how paleontologists figure out the age of fossils.

In this 3-hour series, one can witness in seconds what the Earth took eons to create: bumper-car continents; ice ages pulsing out of the poles and back; the Himalayas surging upwards; sand dunes swallowing, then uncovering African villages; and more!

Voyage to the world's harshest environments. Searching for water, shelter, and other resources dominates the lives of plants and animals in a desert habitat, but unique features in the ecosystem makes life possible for such creatures as guanacos.