Described is an activity in which the interactions between a parasite and its host may be demonstrated using the relationship between yogurt and two species of bacteria. Background information on Koch's postulates is provided. Materials, laboratory procedures, and results are discussed. (CW)

Sixty-eight studies on conceptual development in the biological sciences are reviewed. These studies originated in North America, Europe, Asia, Africa, and Australia. Each study was classified by type of concept(s) under investigation and by the research method employed (focusing on the mode of inquiry and the mode of assessment used). When…

Summarizes eight research studies in the field of outdoor/environmental education being completed at Slippery Rock University in 1985. Topics include isolation among National Park Service rangers, school participation in recycling programs, the use of trees to modify microclimates in West African urban centers, and evaluation of environmental…

Prescriptions for improving student understanding and problem-solving performance related to transmission genetics are discussed. Research on novice/expert problem-solving in transmission genetics is reviewed. (Author/CW)

This article describes the history of the molecular revolution in biology and emphasizes its dependence on the emergence of bacterial genetics, the fusion of genetics and biochemistry, and the development of new techniques for studying macromolecules. (Author/SA)

Three aspects of an ethical code for biomedical science teachers are discussed: the requirement for scholarly competence and the ability to communicate information effectively; the need to treat students with justice and caring; and the obligation to stimulate creativity and not to exercise undue control over students. (MLW)

Presents a novel idea for teaching a scientific concept using a poem that describes the major perspectives on the origins of living systems as the medium of instruction. Addresses major concepts such as chemical evolution, DNA vs. RNA, protocell formation, coacervates, panspermia, and special creation. (Author/CCM)

Some understanding of biology is needed for the success of individuals in modern societies. This monograph is a report of an assessment of educational achievement by a sample of secondary school biology students in the United States within the context of current knowledge of teaching and learning strategies, the role of biological literacy in…

The question of human origin has always been disputed by evolution theorists. This book provides a comprehensive survey of the debates over human evolution from the time of Darwin to the 1940s. Part 1 discusses the early controversies, noting that they focused on philosophical issues rather than causes or details of the evolutionary process. A…

Political science and its subfields cannot ignore the work being done in two areas of the life sciences: sociobiology and neurobiology. Current theories of political socialization which suggest that society molds the child will be increasingly affected by sociobiological theory which posits that children operate as independent actors in the…

Summarizes what is known about the effects of marijuana use on health. The topics included are its chemistry and the metabolism; the effects of acute intoxication on learning, memory, intellectual performance, driving, and other skilled performances; and effects on lungs, brain, heart, and other systems. (SA)

Adventure educators have a role in bridging the gap between ecophilosophy (the philosophy of humanity's relationship with nature) and its application to everyday work. Summarizes three reasons for the philosophy-practitioner gap, suggests a framework for bridging the gap, and describes educational strategies by which adventure programming can…

Researchers have claimed both that female students are discouraged from taking higher level math and science courses and that they actually take more of these courses than males do. On the surface, data from the Florida community colleges would appear to confirm that females take more science and math courses than males, with 63% of the fall 1995…

Presented is a brief review of the historical importance and knowledge of pneumonia which emphasizes the importance of type transformation. The results of a survey of textbook coverage of this topic are given. The significance of type transformations are discussed. (CW)

This book highlights the importance of science and technology education in Australia in the post-compulsory years. It outlines the themes of how and why science and technology are now being so regularly associated in reports and reviews of education and training and contains an account of the changes in the societal and educational contexts that…