life

A visual encyclopedia of living things on Earth, including plants, animals, and humans, particularly looking at animal survival and the organs and systems of the human body.

Examines life forms that live in extreme environments that scientists had previously thought were uninhabitable, including the antarctic ice, hot springs, and on Mars.

Commentary by Desmond Tutu, Carl Sagan, Richard Nixon, Marlee Matlin and other contributors offers reflections on the meaning of life, in a collection highlighted by photographs by notable photographers.

Includes four segments which explore the origins of our solar system, take a look at the start of life itself, examine how head lice figures in human evolution, and profile neuroscientist Andr?e Fenton, whose research focuses on finding a way to erase painful memories with an injection.

Looks at the unique conditions that exist on Earth that make it an ideal place for life to flourish, discussing water, energy, and the atmosphere, and examines other moons and planets that have the four most important elements needed for life.