The Animal World

Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the...

A dive inside a wild land where nature hides some of her greatest secrets: The Alps. Steep slopes, wind swept cutting edge rocks. An air desperately...

An examination of the extinction threat faced by frogs, which have hopped on Earth for some 250 million years and are a crucial cog in the ecosystem....

A scientist explains how the savagery and efficiency of the insect world could result in their taking over the world.

The true story of the birth, growth and coming of age of a leopard cub in Africa's Serengeti plain. The journey of "The Leopard Son" begins at his...

Coral Reef Adventure follows the real-life expedition of ocean explorers and underwater filmmakers Howard and Michele Hall. Using large-format...

Ring of Fire is about the immense natural force of the great circle of volcanoes and seismic activity that rings the Pacific Ocean and the varied...

The Living Sea celebrates the beauty and power of the ocean as it explores our relationship with this complex and fragile environment. Using...

The story of the evolution of tropical rain forests, their recent and rapid destruction, and the intense efforts of scientists to understand them...

The presenter travels across America retracing the very first discoveries made by fossil hunters nearly 200 years ago, from Wyoming to the foothills...

Program One KILAUEA: MOUNTAIN OF FIRE Ecosystems on Big Island Face No Small Challenge Kilauea, violent and beautiful, destructive and creative,...