Describes a chemistry experiment dealing with hemoglobinometry that can apply to transition metal chemistry, colorimetry, and biochemistry. Provides a detailed description of the experimental procedure, including discussions of the preparation of the cyanide reagent, colorimetric measurements, and waste disposal and treatment. (TW)

Discusses some recent research dealing with the enhancement of an individual's capacity for acquiring and using information through direct instruction and training in appropriate information processing strategies. Describes a learning strategy system known as MURDER, and relates its use to the learning of scientific and technical material. (TW)

Reports salary trends for chemists as of March 1, 1988. Discussions include employment rates, median salaries, growth in salaries, highest salaries, salaries by degree, women's salaries, salaries by work function, unemployment, volume of help wanted ads, and sources of information on chemist jobs. (CW)

Describes the nature of elementary particles, quarks, leptons, and bosons. Indicates the possibility of a fourth family of quarks. Predicts the nature of the lepton relatives. (YP)

Describes a laboratory activity that is adaptable to several levels of biology students. Discusses methods for obtaining hellgrammites, performing the experiment, and analyzing the data. Includes sample charts and graphs. (CW)

Described is a study designed to introduce students to the behavior of common invertebrate animals, and to use of the chi-square statistical technique. Discusses activities with snails, pill bugs, and mealworms. Provides an abbreviated chi-square table and instructions for performing the experiments and statistical tests. (CW)

Traces the life and research techniques of Marie Curie's doctoral dissertation leading to the discovery and purification of radium from ore. Reexamines the discoveries of other scientists that helped lead to this separation. (ML)

Describes a Pascal-language based kinetics rate package for the microcomputer. Considers possible ecological uses for the program and illustrates results for several rate laws. Discusses hardware and software needs for adequate operation. (ML)

This article details two demonstrations involving color changes. Included are "Manganese Color Reactions" and "Flame Colors Demonstration." Include a list of materials needed, procedures, cautions, and results. (CW)

Outlines the structure of a concurrent degree and Certificate in Education course in physics and some of its important features and advantages. Describes the benefits for students and employers and consequences in career terms to students when they graduate. (RT)

Addresses the requirements of high school students and noncrystallographers in lectures on crystals, diffraction, and structure analysis. Discusses basic understanding and a sequence that addresses these requirements. Suggests visual and descriptive teaching methods used in this effort. (CW)

Describes a crystallography experiment using both diffraction-angle and diffraction-intensity information to determine the lattice constant and a lattice independent molecular parameter, while still employing standard X-ray powder diffraction techniques. Details the method, experimental details, and analysis for this activity. (CW)

Provides a framework of the disciplines of materials science and engineering as they have developed. Discusses the philosophy, content, and approach to teaching these courses. Indicates the range of crystallographic topics contained in the materials science and engineering curriculum at the Massachussetts Institute of Technology. (CW)

Describes a circuit by which capacitance and the dielectric constant can be measured. Shows the circuit diagram and the method to calculate these constants. (YP)

Discusses a course proposal which concentrates on fewer topics and covering the topics in greater depth. Proposes a sequence in which each topic is introduced phenomenologically, the theory is developed, and the applications are discussed. Uses optics as an example. Lists some disadvantages and advantages of the proposed topical organization. (YP)