Dr. Eugene Mindel, child psychologist and author, discusses his book, "They Grow in Silence: The Deaf Child and His Family,". Dr. Mindel and Studs talk about deaf children and how they learn to communicate without the ability to hear or speak. Studs reads an excerpt from the book about a deaf person feeling locked into themselves. Studs and Dr. Mindel talk about the the book "In this sign" by Joanne Greenberg a novel that portrays the isolation and loneliness of the deaf couple and the struggle of their hearing daughter.

Biologist, natural historian, and author David Attenborough discusses his book and upcoming television series “Life on Earth.” The book, show, and this interview focus on discussing the evolution of life.

Dr. Robert Coles' book, "The Call of Service; A Witness to Idealism" came as a result of watching of his mother work tirelessly in soup kitchens, helping the less fortunate. Through his stories and experiences, Coles lets his audience know that one must put himself in others' shoes to truly help others.

Physicist and renewable energy activist Amory Lovins discusses areas of focus for renewable energy, including at-home utility usage and agriculture. Lovins also discusses his two books “Soft Energy Paths: Toward a Durable Peace” and “Energy Unbound: A Fable for America’s Future.” Studs plays "Whose Garden Was This" - Tom Paxton (1970).

Discussing the controversy over teaching evolution in public schools, correcting popular misinterpretations of Darwin's theories, and defining Social Darwinism with author and geneticist Richard Lewontin.

In the of first of many appearances on Studs' radio show, Oliver Sacks discusses his book "Awakenings" and recounts several patient profiles from his groundbreaking treatment application of L-DOPA to sufferers of Sleeping sickness and Parkinson's disease. They explore his work in the context of Studs' concept of Feeling Tone and Sacks tells of a remarkable scene with aphasic patients reacting to a speech of then President Ronald Reagan.

Discussing the book "Center of the Cyclone: An Autobiography of Inner Space" with the author Dr. John C. Lilly.*Please note: some sections have been edited out from the original recording due to copyright considerations