Reports comparison of three models of apparatus designed to collect gas evolved by a photosynthesizing water plant. Problems of design and operation are reported for each model. (AL)

Scientific, legal, and legislative roles in the interaction of science and society are examined in the context of the use of technical measures related to intoxication. The case is examined in detail as a model of the way in which the relationship is regulated. (AL)

Surveys Dissertation Abstracts'', lists of neuroscientists, and grants awarded by the National Institutes of Mental Health for the 1960's, and identifies the 75 institutions, most graduating Ph.D's in the neurosciences. The relatively greater increase in these degrees than for all bioscience doctorates should be considered in planning doctoral…

General recovery of an aphasic patient was monitored via averaged electroencephalic response audiometry and standard language testing. (Author/CB)

Peritoneal dialysis in anephric is employed as an effective aid in instruction of second year medical students in basic principles encompassed by the field of renal physiology. (IR)

Students using colored line drawings scored higher on criterion tests than those using realistic drawings, photographs, or black-and-white drawings in a programmed booklet describing the structure and function of the human heart. Students took longer to complete the program using colored line drawings. (AL)

Homosexual concern is one facet of the total psychological development of the individual who, during the college period, is trying to establish a mature identity". For many, the concerns are associated with feelings of nonsexual inadequacy; for others the problem may be deeper and represent an accepted way of life. (Author/CJ)

Suggests using techniques of artificial insemination and/or superovulation with embryo transplant as methods of increasing captive populations of rare mammals. (AL)