Provides an alphabetical listing of laboratory instruments and equipment and the names and addresses of their manufacturers. (CS)

One of a series of general interest publications on science topics, the booklet provides those interested in geysers with a nontechnical introduction to the subject. Separate sections examine the nature and workings of geysers--why geysers erupt, where they occur, the cause of volcanoes and hot springs, the deep circulation of water in geyser…

Explains the mechanisms and describes the processes that underlie gravitropism in roots. Reviews experimental efforts and investigative results that explored the causes of root behavior. (ML)

This document presents the international rules for precollege science research. Sections include: (1) Quick Rules Reference; (2) Highlights for 1995-96; (3) International Science and Engineering Fair (ISEF) Category Descriptions; (4) Display and Safety Regulations; (5) Eligibility; (6) Requirements; (7) Limitations; (8) Continuation of Projects;…

Examines research related to the retina's coding of visual input with emphasis on the organization of two kinds of ganglion cell receptive fields. Reviews current techniques for examining the shapes and arrangement in the retina of entire populations of nerve cells. (ML)

Discusses how the discovery of chaos has created a new paradigm in scientific modeling and how findings are contributing to changes in thought about many different branches of science. Includes explanations and examples of how chaotic behavior can be understood. (ML)

One of a series of general interest publications on science topics, the booklet provides those interested in earthquakes with an introduction to the subject. Following a section presenting an historical look at the world's major earthquakes, the booklet discusses earthquake-prone geographic areas, the nature and workings of earthquakes, earthquake…

Provides an historic overview of the conditions and obstacles encountered by women in pursuing careers in astronomy. Highlights the accomplishments and contributions made by successful women in the field. Reviews the current status and climate associated with women in astronomy and the sciences in general. (ML)

This information packet on quasars consists of an introductory paper, four articles from "Mercury," a journal of the Astronomical Society of the Pacific, and a bibliography. Methods used to measure distances in the universe and the nature of quasi-stellar objects (QSO's), the name preferred by many workers in the field, are discussed in…

Discusses a common error found in organic chemistry textbooks regarding the phenomenon of "conjugate reduction." Provides a table of experimental data involving the reduction of alpha-, beta-unsaturated compounds. An accompanying discussion explains reasons for the lack of correspondence between textbook information and the experimental…

Discussed is the physicists' impact on the revolution in the earth sciences particularly involving the overthrow of the fixist notions in geology. Topics discussed include the mobile earth, the route to plate tectonics, radiometric dating, the earth's magnetic field, ocean floor spreading plate boundaries, infiltration of physics into geology and…

Continental geology and tectonics are explored through this study of modern beach sands of South America. This report assesses how well petrographic studies of sandstones can recreate continental geography. Data on the petrography of 218 modern South American beach sands are presented and analyzed. The five major mineral associations of light…

Relates how Charles Martin Hall discovered the method of making pure aluminum metal in 1886. Retraces the events and steps that led to the process of aluminum purification. Includes diagrams of the apparatus used in the investigations. (ML)

Presented is a collection of abstracts of selected technical reports, journal articles, and other documents resulting from research supported by the directorates of the National Science Foundation. Reports are grouped by sponsoring directorate: Biological, Behavioral and Social Sciences; Engineering; and Scientific, Technological and Industrial…

Summarizes various aspects of the career of an industrial research chemist. (CS)