The role that chemical elements play in man is discussed. There are 18 elements classified into three groups: main group metals; transition series metals; and main group non-metals. (DF)

A series of models of the interrelationship of the scientific journals has been developed from the cross citing amongst 275 journals in mathematics, physics, chemistry, biochemistry, and biology. (19 references) (Author)

Describes technique developed as automatic support to subject heading indexing at BIOSIS based on use of formalized language for semantic representation of biological texts and subject headings. Language structures, experimental results, and analysis of journal/subject heading and author/subject heading correlation data are discussed. References…

Describes a study evaluating the effectiveness of the Information Retrieval, Ltd. (IRL) Life Sciences Collection database in a field where BioSciences Information Service (BIOSIS) claims to offer comprehensive coverage of the international literature. The two databases are described, and the depth of controlled indexing is compared for the two

Traces the history of distribution form and access control for scientific and technical information; describes the findings of a Biosciences Information Service (BIOSIS) design study of end-user education and training programs in information resources; and presents a planning structure and some scenarios for end-user education. (Author/JD)

Discussed are two changes which have come about which enables us to view nature study in a new light--a change in teaching approaches (from content to process) and a change in the status and content of biology (greater awareness of our biological heritage). (Author/KC)

A sample run is given of a BASIC program used to determine possible genetic characteristics of offspring of parents with known genetic characteristics. (MK)

A comprehensive description of the salt marsh-estuarine ecosystem is provided. Topics discussed include: the general geologic history and formation of this ecosystem; physical and chemical parameters; variety; primary productivity; tidal zones; kind, sizes and abundance of vegetation; and the environmental factors influencing vegetation. (BT)

Compares the nature of student thinking in confirmation and open-inquiry laboratory activities. Reports that student thinking processes exhibited in confirmation laboratories emphasized procedures and techniques--making sense of and doing the laboratory, whereas student thinking in open-inquiry laboratories emphasized data analysis--making sense…

Reports on the Prefreshman Academic Enrichment Program (PAEP) at the University of Maryland, College Park which was designed to increase and retain the number of minorities in the life sciences. Results after five years indicate that PAEP students were retained and graduated in the sciences and at the university at a greater rate than that of…

Explores entrepreneurship in the research university. Uses a survey of life science faculty members to distinguish five types of academic entrepreneurship: engaging in externally funded research, earning supplemental income, gaining industry support for university research, obtaining patents or generating trade secrets, and…