Discussed is the intertidal region and the characteristics and adaptations of the organisms that live in that region. Several activities that involve the intertidal region are described, which reinforce the adaptive behaviors and forms of the organisms found in the intertidal region. (Author/DS)

Several potential safety problems are identified relative to science teaching: the use of bottled gas or alcohol lamps as heat sources, the hazards of Millon's Reagent for testing for proteins, and the use of silicon tetrachloride to demonstrate properties of chlorides. Science teachers are also warned about potentially dangerous procedures…

The use of living animals in the classroom is discussed. A checklist of ideas to remember when considering housing animals in the classroom is provided. (CW)

Contrasted are DNA viruses, RNA viruses, and RNA retroviruses. The structure, genome, and replication of retroviruses are discussed. The discovery, structure, and action of the HIV virus are described. A list of 17 references is included. (CW)

Presented are the results of a study of the effects of peer-led tutoring groups on achievement in college chemistry. Supplemental instruction was effective in increasing students' achievement in chemistry as measured by final grades in chemistry and responses to a questionnaire. (CW)

Describes a mouse skeleton reconstruction activity from owl pellets. Gives information about the materials, directions for students, and a five-day unit schedule. Provides some owl pellet sources. (YP)

Provides explanations of 15 experiments, laboratory activities, demonstrations, and lessons for use in instruction. Includes information on Daphnia, wild garlic, crystals, gas chromatographs, bleaches, alcohols, reactivity series, chemistry formula, electronic keyboards and waveforms, interference and diffraction gravity, Moire fringe patterns,…

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)

Presents nine hands-on discovery and inquiry type activities which penetrate the student's immediate world, integrate other curricular areas, involve group cooperation, excite, motivate, and encourage creative thinking. (RT)

Describes activities which demonstrate the abundance of organisms living underground. Provides outlined directions, lists of materials, and a soil ecosystem transparency for delving into the properties of soil. (RT)

Presents teacher comments on audiovisual materials dealing with: biotechnology applications in immunology, agriculture, and cancer research; efforts to halt the eutrophication of Lake Tahoe; and banana slugs. Availability and costs of materials are included. (RT)

Presents a lesson on introducing writing into the science curriculum by using an experiment to illustrate the detrimental effect of tobacco smoke on human lungs. Outlines the materials, procedures, a summary of the project, extension activities, and additional information about the writing process. Two handout sheets are included. (RT)

Computer-assisted genetics instructor (CAGI) is a database program to help students and teachers identify conceptual weaknesses, provide interactive drill to master problem solving, and reduce teacher tutorial time. Results of a comparison of users and nonusers indicates that CAGI users averaged between 6 and 10 points higher on hour exams than…

Presents the results of two newspaper polls conducted in Kansas concerning the teaching of evolution. Finds that the majority of the state's citizens do think that evolution should be taught in the public schools. (WRM)

Directors and faculty members representing undergraduate environmental science/studies, in conjunction with the American Institute of Biological Sciences generated this report on the current status of and future prospects in undergraduate environmental science (ES) education. Despite their varied backgrounds and the diverse nature of their…