A chronicle of important news stories of 1975 is presented. Entries appear under science discipline categories and volume and page number as the listing appeared in SCIENCE NEWS. (CP)

Lists activities of the February 2-5, 1976, joint meeting of The American Physical Society (APS) and the American Association of Physics Teachers (AAPT) in New York city. (CP)

Describes a rocket propulsion demonstration utilizing a child's wagon and a carbon dioxide fire extinguisher. (CP)

Three sets of analytical wave functions are used to calculate the Na (3s---3p) transition differential and total electron excitation cross sections by Born approximations. Results show expected large variations in values. (Author/CP)

Reveals the self-imposed censorship practiced by western scientists to keep sensitive information concerning nuclear fusion from Nazi Germany before and during World War II. (CP)

Describes an organization called Science and Technology Information Sources for Teachers (SATIS) which makes available to teachers abstracts from over 200 journals on a regular basis and abstracts of project work to enable the project to be used elsewhere. (GS)

Suggests introductory material on tensors in which mathematical manipulations have been minimized for use in undergraduate science courses. (Author/CP)

Discusses the effect of replacing argon gas with krypton gas in electric light bulbs. (RH)

Reports on data that indicate that sexual stereotyping is psychologically damaging. Describes a study that involved assessment of the sexual stereotypes of children 5, 9, and 14 years old and a program designed to reduce stereotyping. (GS)

Presents an explanation, without mathematical equations, of the basic principles of quantum mechanics. Includes wave-particle duality, the probability character of the wavefunction, and the uncertainty relations. (MLH)