Article reviews evidence on the effects of contrast and matching, that these effects are related, and that both effects are reactions to the same independent variable. (Author/RK)

Describes the variety of formal and informal educational programs being developed by zoos and aquariums in the United States and suggests methods of increasing the educational utility of these facilities. (AL)

Substances that deliver chemical messages between same/different species are called semiochemicals. Surveyed are three types of semiochemicals (pheromones, allomones, and kairomones), types of organisms involved, and specific chemicals used to carry the various kinds of messages. (JN)

Provides background information on and development and use of mental imagery exercises in environmental education. The exercises are designed to help people make contact with those symbolic forms which then actualize certain aspects of their personality. (JN)

Reviews six books that deal with dinosaurs, sea creatures, physiology, cacti, and cotton. (FL)

Several investigations can be undertaken with live sea anemones. A sea anemone's feeding response, fighting power, color, and symbiotic relationships to other invertebrates (such as a marine hermit crab) can be investigated in the high school classroom. Background information and laboratory procedures are provided. (Author/JN)

Examined student attitudes after a humane education program which included "guest presentations." Results indicate that there was no advantage in having speakers and that programs using the guest speaker model to foster positive attitudes toward animals may tend to be ineffective. (JN)

Reviewed are subjective and objective means of determining how to teach children to think and act humanely. The methodology and findings of a study about empathy resulting from students' role-playing animals is reported. (DC)

Reviews six children's books on animals (kangaroo birds, whales, snails and slugs, rabbits, and spiders) and one on science in general. (MKM)

A test is described in which three psychotropic drugs were evaluated for their effects on pregnant rats. Behavioral changes are given. (SA)

Experiments related to studying innate responsiveness to auditory stimuli in various infant organisms establish that animals have innate perceptual knowledge. (SA)