Discusses Einstein's views on the role of Michelson-Morley, Fizeau, and Miller experiments in the development of relativity and his attitude toward the theories of new quantum mechanics. Indicates that Einstein's opposition to quantum mechanics is beyond dispute. (CC)

Reviews theories of language origin with particular reference to Morris Swadesh's The Origin and Diversification of Language'', Chicago: Aldine-Atherton, 1971. (RS)

Based on an unpublished doctoral dissertation, Department of Psychology, University of North Carolina at Chapel Hill, 1969. (RS)

Research supported by a grant from the National Institutes of Health. (DD)

An experiment assigned in a role-playing'' modern physics lab for juniors who are challenged to obtain accurate measurement with suboptimum apparatus through correct analysis. They also investigate the influence of systematic errors using a small computer. (DF)

Experiments were designed and carried out in an attempt to identify some parameters relating to ease of manual searching in library catalogs. A comparison of the difficulty of searching the same file in card form and book form indicated that searching the book catalog generally requires more time. (4 references) (Author/NH)

Describes an experiment in which the achievement of a high school class graded on a pass-no pass system was found to be equal to that of a close receiving traditional letter grades. (SP)

An unusual science program which centers around a vivarium and is based on the notion that students learn science by doing it, not just talking about it. (DF)