Presents a review with the focus primarily upon what research has revealed about children's learning in science and how this is reflected in approaches to teaching. Aspects of teaching considered are those that are significant in taking account of children's ideas and development. Includes a preview of areas in which research is only just…

Presents a review of literature in developmental psychology concerned with children's thinking about their own bodies, emphasizing ways in which children explain what they know about their bodies. Considers the possibility that children have ideas about what 'vital energies' or 'forces' are. Discusses some implications for biology education.…

Highlights the demand for medicinal plants as pharmaceuticals and the demand for health care treatments worldwide and the issues that arise from this. Discusses new drugs from plants, anticancer drugs, antiviral drugs, antimalarial drugs, herbal remedies, quality, safety, efficacy, and conservation of plants. Contains 30 references. (JRH)

Discusses developments in biological education in Israel during the last 15 years. Trends include the change from descriptive biology to the inquiry-centered teaching of concepts and the move toward a modular approach. (Author/MA)

Examines the technical vocabulary of genetics as a source of error and confusion. Suggests that it is necessary to identify different types of problems associated with terminology and to organize them into logical classes to deal effectively with the difficulties. Highlights terms misused in textbooks. (RT)

Reviewed are some of the techniques being used in plant biotechnology laboratories. Described are tissue culture and genetic manipulation. Advantages and disadvantages of this approach and ethics and public concern issues are discussed. (CW)

The complex interactions between picture, text, and learner are examined, based on a 3-D model which describes the context of the learning task. The different strategies that children of various ability levels use in reading from illustrated texts are described. (KR)

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)

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)

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)