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Dr. Ray Koppelman, University of Chicago; American Institute of Biological Sciences
Summary:
Diversity of life resulting from evolution: recognition and treatment of diversity –definitions and taxonomic approaches; results of diversity in the plant kingdom; results of diversity in the anim...
Shows a group of children playing three types of games: those which they invent themselves, those learned under supervision but carried on alone, and those dramatic activities which grow out of sch...
Surveys the problem of human survival in space. Pictures the firing of an Aerobee containing two monkeys and two mice. Shows the reaction of mice to the reduction of gravity pull as the missile l...