Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the origin of human life, offers evidence and theories to support such a thesis in this PBS special. He claims that Africa was populated by only a few thousand people that some deserted their homeland in a conquest that has resulted in global domination.

William Shatner sits down with scientists, innovators and celebrities to discuss how the optimism of...

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time...
Documentary film about the Czechoslovak natural science group's expedition to Iceland in June 1948.

The 1977 discovery of RNA splicing by Dr. Phillip A. Sharp, Kentucky farm boy turned Nobel-prize win...

An ethnographic film that documents the efforts of four !Kung men (also known as Ju/'hoansi or Bushm...

A talented group of orphaned children in Swaziland create a fictional heroine and send her on a dang...

Principles of Curiosity presents a general introduction to the foundations of scientific skepticism ...

It's 1974. Muhammad Ali is 32 and thought by many to be past his prime. George Foreman is ten years ...

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

In Uganda, AIDS-infected mothers have begun writing what they call Memory Books for their children. ...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcan...

Most people fully accept paranormal and pseudoscientific claims without critique as they are promote...

Explore an extraordinary region where water and land life intermingle six months out of the year.

Drawing from never-before-seen footage that has been tucked away in the National Geographic archives...

An Austrian director followed five successful African music and dance artists with his camera and fo...

Of the Seven Wonders of the Ancient World, the Pyramid is the only one to survive. Many believe that...

Woolly Mammoth: Secrets from the Ice is a documentary presented by English anatomist Dr. Alice Rober...

This excellent feature-length documentary - the story of the imperialist colonization of Africa - is...

Filmed across three continents, this documentary shares the story of the founders of the Pan-African...