Seeks to identify some of the issues associated with the role of models in scientific explanations. Develops a typology of explanations and explores the notion of appropriateness in scientific explanations. Investigates the nature of models and their contribution to explanations. (DDR)

Traces the evolution of physics teaching and research in Bucharest and Jassy, the two most important Romanian intellectual centers. Reports on three stages of historical development and selected biographies of Romanian scientists are included. (DDR)

Argues that Albert Einstein preceded Karl Popper in formulating the fundamental premises of hypothetism. Presents the original text and ideas from an article published by Einstein in 1919. (DDR)

Comments on the consequences of the death of the rationalist dream, including a loss of nerve in science education that leads some people to doubt the point and the value of teaching science. Argues that the death of this dream is irrelevant. Contains 57 references. (DDR)

Provides historical information on the incorporation of physics as a subject into secondary schools in Spain. Cites religious and political tensions as early roadblocks to curriculum development. (DDR)

Describes the first moon-radar echo experiment conducted by Zoltan Bay in Hungary and comments on Bay as a model for contemporary physics education. (DDR)

Reports research based on the scientific issues of a claim of missing matter in the universe and a possible link between injections of vitamin K into newborn babies and the subsequent development of childhood cancer. Contains 64 references. (DDR)