The fundamentals of two surface techniques--secondary-ion mass spectrometry (SIMS) and ion-scattering spectrometry (ISS)--are discussed. Examples of how these techniques have been applied to surface problems are provided. (JN)

A method of preparing a special dissecting tray to be used with transmitted light as well as reflected light is presented. It may also be used with an overhead projector to illustrate some skeletal structures in vertebrates. (Author/EB)

Described is a method of maintaining satisfactory levels of humidity in mobile green houses and environmental chambers, without the use of expensive humidifiers. (Author/EB)

Available from: Department of Special Education, Appalachian State University, Boone, NC 28608.

The desirability of the language laboratory as a teaching tool is argued, and productive ways to use it are described. (RM)

Discusses the theory, design, and availability of laboratory recorders. (MLH)

Five ways are described in which the language laboratory can be used with students who have passed the stage at which they can profit from drills and other repetitive material. (RM)

The word "service" certainly conjures some undesirable connotations, and theorists such as Nancy Grimm propose that writing centers need to shed their service labels to attain respectability. In this paper, the writing center director of a small liberal arts college shares her perspective and juxtaposes that with Grimm's position that…

None of the theories that inform writing center work--Freudian theory, cognitivism, feminism, postmodernism, current-traditionalism, expressivism, social constructionism, and family systems theory--offer an adequate basis for writing center work. Even when Stephen North proposed "The Idea of a Writing Center" in 1984 (still considered to…

The design of the teaching area for a secondary school mathematics suite'' is discussed; floor plans illustrating three different arrangements of classrooms, reference areas, and laboratory areas are included. (DT)

Describes the experimental techniques and discusses the results of a study of energy flow at the species level, using the silk moth Bombyx mori. (JR)

Results of a study of the effects of a mathematics laboratory for college freshman mathematics showed that the laboratory produced higher achievement, affected attitude, and reduced the withdrawal-failure rate of students with a deficiency in mathematics. (DT)