A basic scheme for scientific theorizing is presented. Subtopics include: (1) the plausibility of model; (2) mathematical formulation; and (3) dangers of models. (MDR)

This article is a reaction and response to papers presented at a panel discussion on sex education. The other papers are included in this same issue. (BB)

Reports the evolutionary history of the nautilus and related molluscs. (BB)

Reviews the chemistry of nerve cells. (SL)

The design of the Sherman Fairchild Center for the Life Sciences at Columbia University emphasizes the lightness necessitated by the building's placement on an existing five-story podium structure. (Author/MLF)

Reports the results of an international census of tropical ecologists. The report is an attempt to overcome communication problems among researchers. (BB)

Data suggesting that different brain circuits may underlie different forms of learning and memory are reviewed. Several current theories of learning and memory with respect to hippocampal and other brain circuit involvement are considered. (PCB)

Offers four reasons for making biochemistry as an option for satisfying the general education science requirement: (1) scientific skills--objectivity, reasoning, and method; (2) broader perspective; (3) integration of beginning and advanced topics; and (4) relevance. (JM)

Examines errors in 21 science journals, focusing on error types, editorial policy and practice, causes, consequences, and future action. Because of the serious implications of these errors, the scientific community is cautioned not to ignore the problem. Several recommendations are given. (DH)

The first permanent science programming unit in United States public television will be established at a television station (WNET, channel 13) in New York City. This project (funded by a grant of $200,000 from Ciba-Geigy corporation) is briefly described, including comments on present and future science programs. (JN)

Presents questions and answers pertaining to yeast fermentation, oxygen content of the air, nutritional requirements of hot water bacteria, the hydrolysis of acetyl coenzyme A, and the stratified distribution of life in the Black Sea. (MLH)

This document, an inquiry-based curriculum supplement that includes materials for both teachers and students, is designed to develop an understanding among students about oral health. Contents include: (1) "About the National Institutes of Health"; (2) "About the National Institute of Dental and Craniofacial Research"; (3) "Introduction to Open…

This round table discussion, with Ilya Prigogine and others of the Brussels school, consists of a series of questions and answers relating to thermodynamics and biological order. (JR)

Describes the training and practical techniques taught to students involved in a sandwich course at the Tissue Culture and Cytogenetics Unit of the Marie Curie Memorial Foundation, Surrey, England. Students spend a minimum of six months involved in the sandwich course before returning to university for a final academic year. (JR)

Discusses the optimality of natural selection, ways of testing for optimum solutions to problems of time - or energy-allocation in nature, optimum patterns in spatial distribution and diet breadth, and how best to travel over a feeding area so that food intake is maximized. (JR)