Discusses research relating to the effects of hormones, neurophysiology, and the environment on animal and human aggression. Indicates that the interactions of biological, psychological and social processes in the development of human aggressiveness should constitute one of the principal frontiers for science in the next two decades. (JR)

Possible reasons for the current resurgence of biological determinism are discussed. Deterministic arguments are classified as being based on the general human species or based on presumed differences among racial groups. The first type of argument is presented and some alternate interpretations proposed. (LS)

Describes some common patterns of animal spatial behavior, and discusses spatial relationships that can be observed as an important component of human social behavior. Reports the results of a study relating to the interpersonal distances of people in bus queues in Britain. (JR)

A way of teaching the scientific method to elementary pupils, using animal life collected by students. (SP)

The question of attributing a purpose to animal's actions is still being debated by scientists. Consensus seems to be that animal behavior should be described in terms of function rather than purpose. (PS)

Contains a description of the organization of the Primate Research Centers and some of the research being conducted there. (CP)

The zoo's role in public education is analyzed. Despite good intentions, zoos may be creating animal stereotypes that are not only incorrect but that actually work against the interests of wildlife preservation. (BL)

Suggests using common flowers as defined habitat for student entomology projects. Study on Heracleum Spondylium" illustrates possible scope. (AL)

Discusses the important role that language has in our society and compares human communication to animal group communication. Gives specific examples of corruption in the Spanish language today. (NCR)

If animals receive inescapable electric shocks, their subsequent avoidance-escape learning is poor. This phenomenon, which can be called "the interference effect", was studied in four experiments. (Editor)

Investigates how the inhibition and latency-reduction effects interact with each other and how they change with changes in the intensity of the startle-eliciting stimulus. (Author/RK)

Comments on Maier and Seligman's research (EJ 138 911) on learned helplessness, specifically on their analysis of alternatives to the learned helplessness hypothesis. (Author/RK)