This magazine is designed for technically educated professionals and managers who have a positive predisposition to read about, get involved with and act on a broad range of the physical and social sciences. Its articles and features anticipate what the breakthroughs and the news will be in a society increasingly dependent upon scientific and technological advances. Authoritative articles on all sciences by scientists who do the research reported. Edited for the interested layman. Features science and the citizen, computer reactions, the amateur scientists, reviews of current books in science and bibliographies.