September 25, 1987 - Dr. Robert Pepin, professor of physics at the University of Minnesota, and chair of the National Academy of Sciences Committee on Planetary and Lunar Exploration, discusses what is next for space exploration and the U.S. Space Program. Topics include traveling to Mars, conditions of space on the human body, rocket capabilities, and the status of Hubble telescope launch. Pepin also answers listener questions.
December 12, 1987 - On this Weekend program, Dr. Dean Abrahamson, professor of public affairs and director of the Global Environmental Policy Project at the Humphrey Institute, discusses the causes of world climate change and the implications. Topics include the carbon dioxide, changes in climate patterns, and the long-term consequences of global warming. Abrahamson also answers listener questions.
January 4, 1988 - Dr. Arthur Caplan, director of the Center for Biomedical Ethics at the University of Minnesota, discusses the ethical issues surrounding recent advances in medicine. Caplan also answers listener questions.
January 25, 1988 - Mainstreet Radio's Leif Enger interviews northern Minnesotan farmer Floyd Cartwright and others about weather “prophesying.”
April 12, 1988 - Sir Hans Kornberg, a biochemist and master of Christ’s College Cambridge, speaking at Minnesota Meeting. Kornberg’s address was on topic "Genetic Manipulation: Threat or Promise? A View from the United Kingdom." Kornberg describes the scientific advances and his belief of regulatory processes needed to protect environment. Minnesota Meeting is a non-profit corporation which hosts a wide range of public speakers. It is managed by the Hubert H. Humphrey Institute of Public Affairs at the University of Minnesota.
April 22, 1988 - MPR’s Jim Neumann reports on scientific conference being held in Duluth to discuss researching water quality of Lake Superior. Neumann interviews two scientists that are attending conference.
April 22, 1988 - MPR’s Jim Neumann reports on wolf and moose research on Isle Royale. While scientific observations of wolves on the large Lake Superior island has taken place for years, for the first time scientists will physically study wolf health conditions in an effort to figure out if wolf population on island is sustainable.
April 23, 1988 - Joe Alexander, Minnesota Department of Natural Resources Commissioner (DNR), discusses the land, water, timber, mineral, fish, wildlife, and other natural resources under the agency's jurisdiction. Alexander also talks about environmental trust fund, and answers listener questions
June 29, 1988 - Freeman Dyson, a physicist at the Institute of Advanced Study in Princeton, New Jersey, speaking at Macalester College in St. Paul as part of the Wallace Distinguished Visitors Program. Dyson’s address was on the topic “Reflections on the Ecology of Scientific Experiments.” After speech, Dyson answered audience questions. Dyson was a protege of J. Robert Oppenheimer, one of the scientists closely associated with the development of atomic energy. Dyson is a scholar in the fields of nuclear physics, rocket technology, astrophysics and structural engineering. Along with being a physicist, he is the author of the book, "Weapons and Hope", published in 1984 and winner of the National Book Critics Circle Award. Dyson's also wrote "Infinite in All Directions.”
August 20, 1988 - Laura Oatman, public health engineer at the Minnesota Health Department; and William Angell, extension housing specialist from the University of Minnesota, discuss radon issues in homes. Oatman and Angell discuss the science, health, construction, modification, and real estate aspects regarding radon gas. Both guests also answer listener questions.