Psychologist and computer scientist Dr. Christopher Riche Evans discusses dreams, the human brain, and computers. [Last minute and a half is a different interview. No mention of the subject.]

Studs discusses dreams, consciousness and computers with psychologist, computer scientist, and author Dr. Christopher Evans. Topics of conversation include the need for humans to dream, contemporary research on sleep and rest, and computer technology. Dr. Evans draws analogies between the behavior of the sleeping and dreaming human brain and the functions of modern computers.

Columbia University professor of psychology, Dr. Herbert Terrace, talks with Studs regarding his 1979 book "Nim: A Chimpanzee Who Learned Sign Language," animal cognition and the evolution of language.

Oliver Sacks, a neurologist and author, speaks with Studs Terkel about his work in neurology and some of the books he has written. This is the first part of two interviews with Sacks.

Discussing the book "The legacy of Malthus" with the author Allen Chase.

The archaeologist and author discusses the controversial theory that modern humans may have originated in North America, further explored in his book, American Genesis.*Please note: some sections have been edited out from the original recording due to copyright considerations