Vine Deloria discusses his book "The Metaphysics of Modern Existence", religion, ethics, Native Americans, Native American culture, and Native American history. Includes a previous interview with Vine Deloria at O'Hare Airport.

A sprawling conversation with R. Buckminster Fuller including his great aunt Margaret Fuller, future communication, the nature of work, human nature, and physics.

Captain Cousteau talks about his book and the environmental movement in the United States and elsewhere.

Francis S. Chase discusses education, art, and science. Chase also discusses creativity, human behavior, and technology among other topics.

The world spends 600 billon dollars on the arms race, which is rather puzzling to Dr. Helen Caldicott when 2/3 of the world's children are starving. Caldicott explained if a bomb went off in Chicago, there'd be a crater a half a mile wide and 300 feet deep. In addition, 90% of the people will be dead, some from being vaporized.

Interviewing Dr. Bertram Carnow about environmental health, air pollution, and occupational diseases.

Discussing his book and upcoming television series "Life on Earth," with the writer and narrator, David Attenborough.

Evolution and the future of the human race are among topics in Carl Sagan's and Ann Druyan's book, "Shadows of Forgotten Ancestors: A Search for Who We Are." Included is an excerpt of the astronomer Harlow Shapley speaking at the beginning. Carl Sagan also reads an excerpt from the book at the end.