Lists advantages in the use of the blue gourami in laboratory experiments on reproduction and embryogenesis. Materials and procedures for maintaining and spawning blue gouramis are provided. Also includes details on microscopic examination of developing embryos and histological techniques for microscope slide preparation. (CS)

A discussion is given of the ways in which thermal conductivity, velocity, and viscosity of sound propagation of gases can be measured by freshmen college students. (Author/SA)

The use of microcomputers in the undergraduate chemistry laboratory is presented. Examples are included which can be implemented in the PET 2001. (SA)

Describes a spot test experiment, designed for use in the undergraduate laboratory, that has been adopted to follow the progress of coupling reactions. (BT)

Presents a description for maintaining adult forms of molluscs and protochordates in order to obtain gametes for laboratory studies of animal development. The methods also include those for culturing embryonic larvae forms in vitro. (Author/SA)

This paper, presented at the conference on the role of the laboratory in physics education, which was held in Oxford, England in July 1978, describes the role of the laboratory in school and university physics in Honduras. (HM)

This paper, presented at the conference on the role of the laboratory in physics education which was held in Oxford, England in July 1978, discusses whether physics laboratories are essential or merely desirable for secondary schools and universities. (HM)

Described are some of the teaching innovations used in a large university chemistry department in Britain. They include diagnostic testing and individual tutoring; self-instruction centers for remedial teaching, complementary services, and specialist materials; new laboratory approaches; and innovations to develop skills needed by chemistry…

Discusses scientific journals in East and West Germany before and after reunification. Topics include scientific research in university and engineering schools, industrial research labs, and industrial firms; publication patterns; market share of journal articles; competition with American journals; and German versus English language. (LRW)

Described is a curriculum for a pathology class offered to eleventh and twelfth graders. Included are suggestions for laboratory activities and student projects. These activities can be incorporated into other science classes. (KR)

Discussed are the properties, chemistry, generation of precursors, and use in organic synthesis of this isotope of carbon. The use of carbon-11 in research is emphasized. Pitfalls and possibilities are described. (CW)

Described is a simple circuit with which students can observe the effect of common dielectric materials in a capacitor and measure the dielectric constant of a piece of paper. Discussed are the theory, apparatus construction, and experimental procedures for this activity. (CW)

Discussed are various types of electrical outlets and safety issues which involve their use. The reduction of shock hazards in the laboratory and at home is highlighted. (CW)

Presented are five ideas for A-level biology experiments using a laboratory computer interface. Topics investigated include photosynthesis, yeast growth, animal movements, pulse rates, and oxygen consumption and production by organisms. Includes instructions specific to the BBC computer system. (CW)

Discussed are various ways that microcomputers can be interfaced to laboratory equipment to control laboratory applications. A general overview is given including advantages and disadvantages of different interfaces. Different software tools currently available are examined. (CW)