Patterns of equilateral triangles, squares, rectangles, and regular pentagons are provided for students to use in building models of polyhedra. (DT)

Includes brief descriptions of laboratory products completed or under development. (RT)

Eleven articles examine the contributions being made by the Regional Educational Laboratories in developing and testing innovative learning materials. (MM)

Revised version of a lecture delivered on November 12, 1969 at the Padagogische Hochschule Niedersachsen, Abt. Vechta, West Germany. (WB)

Preparation and testing of a cadmium selenide photoelectrical solar cell was introduced into an environmental chemistry course to illustrate solid state semiconductor and electrochemical principles. Background information, procedures, and results are provided for the experiment which can be accomplished in a three- to four-hour laboratory session…

Summarizes 19 literature sources identifying road-killed vertebrates and frequency of kill by numbers. Examples of how these animals can be incorporated into curricula (integrating biology, society, people, and values) are given, followed by an illustrated example of how a road-killed raccoon's skull demonstrated a human/wildlife interaction prior…

Faculty shortages, antiquated laboratory equipment, and precollege preparation have been identified as components on the engineering education crisis. An examination of these and other areas (including salaries and doctoral programs) indicates that it is absurd to ascribe crisis to the problems afflicting engineering education. (Author/JN)

Background information and procedures are provided for an experiment to prepare three metal derivatives of dimethyl sulfoxide (DMSO) and to determine some structural features of these derivatives based on their infrared spectra. Results and discussion of reactions involved are also provided. (JN)

Long-term economic growth requires better use of research/development resources and closer interaction of academic, government, and industrial research communities. Proposed federal increase for university-based research, addressing national needs for new knowledge in fields important to industrial development/personnel training, requires research…

Curricular guidelines proposed by the American Association of Dental Schools are outlined, including notes on the interrelationship of occlusion content and other disciplines, an overview of the curriculum, preclinical and clinical goals and objectives, prerequisites, a core content outline, sequencing, faculty, and facilities. (MSE)

Presents procedures, exercises, demonstrations, and information on a variety of biology topics including labeling systems, biological indicators of stream pollution, growth of lichens, reproductive capacity of bulbous buttercups, a straw balance to measure transpiration, interaction of fungi, osmosis, and nitrogen fixation and crop production. (DC)