Food irradiation has been studied for years, but now with new Food and Drug Administration (FDA) approval of low-dose radiation, it may become a popular method to retard food spoilage. Radiolytic products, feeding studies, and nuclear issues are among the areas addressed. (JN)

A year after the accident at Three Mile Island (TMI), the signals transmitted to the public are still confused. Industry says that nuclear power is safe and that the aftermath of TMI ushers in a new era of safety. Antinuclear activists say TMI sounded nuclear power's death knell. (Author/RE)

Provides a brief review of the latest developments in nuclear chemistry. Nuclear research today is directed toward increased activity in radiopharmaceuticals and formation of new isotopes by high-energy, heavy-ion collisions. (Author/BB)

Discusses the global trends associated with the increasing levels of carbon dioxide, nitrous oxide, methane, and chlorofluorocarbons (CFS) in the earth's atmosphere. Presents several ecological effects associated with these increases, along with some of the possible social and economic implications for the quality of life. Argues for more…