Discusses the necessity of effective AIDS/HIV education in the secondary schools, its inclusion in the biology curriculum, and methods of educating teachers concerning the topic. Provides recent data related to AIDS and proposes that science teacher stress abstinence and behavior modification as possible solutions. (MDH)

Outlines the stages of a cell biology "pulse-chase" experiment in which the students apply autoradiography techniques to learn about the concept of the cell cycle. Includes (1) seed germination and plant growth; (2) radioactive labeling and fixation of root tips; (3) feulgen staining of root tips; (4) preparation of autoradiograms; and…

Describes an activity in which students look at photographs of different cats to determine the genotypes of the various characteristics observed. Provides a student worksheet. (MDH)

Ethnobotany is the scientific investigation of plant use by indigenous cultures for food, medicine, pesticides, and other purposes. Discusses the significance of ethnobotany and provides resources and laboratory activities suitable for use in biology and botany courses at the high school and college levels. (MDH)

Describes using the common house plant, "Coleus blumei," to illustrate gravitropic effects, phototrophic effects, and hormonal effects in plants. (PR)

Proposes that schools declare April as "Earth Month." Explains how to get started and ways to get students excited. Describes environmental lessons and integrated activities. Provides the addresses of six sources for environmental education resources.(PR)

Explains how the "three D's" of ecology; diatoms, density, and diversity; can be used to generate student enthusiasm and spur investigations that can be conducted during student's own time. (PR)

Describes a high school pilot program to meet California's science curriculum guidelines to adopt a Scope, Sequence and Coordination (SS&C) approach. The SS&C curriculum offers four science subjects for each year of high school. Concrete, phenomenological, and descriptive topics are covered during the early years and theoretical and…

Introduces students to biological classification by having them classify music. (PR)

Used data from the National Child Development Study of Great Britain to examine the sex education lessons reported at age 16 and subjects' report of teenage motherhood at age 23. Results showed that sex education may be associated with teenage motherhood positively or negatively, depending on the topic and the individual's marital status when she…

Reports on a case study of meaningful science learning in two African-American female high school students. Finds that complex cultural factors that permit cognitive passivity, confidence-without-competence, and attention to behavior over learning contribute to cognitive disengagement and ultimately to the blocking of intentional, meaningful…

Presents information about and ideas for teaching an evolutionary view of ethics. Argues that when behavioral and moral aspects of human evolution are presented in biology courses in lieu of anatomical and physiological aspects, students may become more accepting of evolutionary theory. Contains 16 references. (WRM)

Describes challenges to teaching evolution initiated by religious fundamentalist groups in the United States. Finds that the number of after-the-fact challenges to public school material, curricula, and instructional activities objected to because they included evolution or failed to include creation science from 1983-1996 is relatively small.…

Describes the development and implementation of a senior high school biology lesson concerned with organ transplantation. Discusses the teacher's rationale and techniques for using controversial issues in science teaching. (Contains 18 references.) (Author/WRM)

Both teachers and learners can benefit from looking at the history of scientific discovery and science teaching. Discusses the history of curriculum change in biology education and the thought processes of historically prominent biologists. (Author/WRM)