Examined are the number and distribution of persons engaged in research and development in the U.S.S.R. Quantitative comparisons are made between Soviet and U.S. research and development employment. Data indicate that the estimated number of scientists and engineers in the U.S.S.R. substantially exceeds the number in the U.S. (Author/CS)

This article reviews some recent technical progress in the social sciences and three frontier areas including evolutionary theory as related to sociobiology, the theory of human rational choice, and cognitive science. These areas offer explanations for broad areas of human behavior. (Author/SA)

Focuses on a single rule of grammar to produce evidence of a memory system for language acquisition and processing that is modular; independent of real-world meaning; unaffected by frequency and similarity; sensitive to formal distinctions; more sophisticated than the explicitly-taught rules it subsumes; developed independently of ambient input;…