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Shows a group of junior high boys and girls playing beat ball. Demonstrates division into teams, throwing, running, and putting the runner out. Introduces several variations of the original game.
Portrays conditions leading to the establishment of the Social Security System and explains the subsequent changes in the law that have extended coverage to nearly all persons in the United States. Early conditions in the U.S. permitted persons to move westward during a depression, thereby caring for themselves, their families, and their own aged. Urbanization and industrialization eliminated most of these opportunities and as a result Congress met this need by establishing social security. The eligibility requirements are summarized through presenting a number of cases of persons receiving benefits. Shows the necessity of continued welfare aid to those not eligible for Social Security.
Describes various uses of the bulletin board. Shows how to locate and maintain a bulletin board for both instructional and reference purposes, describes the materials from which bulletin boards can be constructed, and explains how to select materials so as to maintain interest in the display.
Discusses the Louisiana Purchase and the westward movement which resulted from it. Reviews the role of men such as Lewis and Clark, Pike, Long, and others in the exploratory process. (KETC) Kinescope.
Discusses Garrod's work on inborn errors in the metabolism of alcapton and melanin. Shows how chemical pathways in metabolism can be worked out using genetic defects as tools. Discusses the metabolic diseases phenylketonuria and galactosemia and points out that medical treatment causes the retention, and therefore the build-up of defective genes in the population. Presents the one geneone enzyme hypothesis and describes the procedure for testing the hypothesis in question with mutants of Neurospora requiring Vitamin B1 (thiamin). Lecture given by Dr. G. W. Beadle.
Shows that birds that eat seeds have strong bills. Includes shots of the canary, evening grosbeak, junco, indigo bunting, goldfinch, white-crowned sparrow, song sparrow, cardinal, cross bill, and cedar waxwing.
Shows how to set up rotary shears, make test cuts, and operate the shears; and how to set up high-speed shears, make test cuts, and operate the shears.
Surveys the development of blood transfusion in international medical history from Landsteiner's discovery of the four blood groups in 1901. Shows the setting up of various blood donor and blood bank systems in England and the United States. | Surveys the development of blood transfusion in international medical history from Landsteiner's discovery of the four blood groups in 1901. Shows the setting up of various blood donor and blood bank systems in England and the United States.
Shows everyday applications of bookkeeping to increase motivation for its study, to help the student decide whether he is interested in taking bookkeeping, and to help in vocational guidance. Gives job information and information about educational preparation for a variety of kinds of work.