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Shows the actual excavation of pre-Columbian sculpture at Veracruz, Mexico, by a National Geographic Society-Smithsonian Institution expedition. Emphasizes the discovery of the largest deposit of jade ever found.
Discusses and demonstrates both undesirable and desirable pre-camera or rehearsal procedures from the director's point of view. Traces the development of a program from its inception to camera time. Features Alan Beaumont.
Tells the life story of bats. Shows live bats and pictures a bat's voice of and oscillograph. Explains how bats navigate by echolocation or sonar. (WGBH-TV) Kinescope.
There are many partnerships in nature where two plants may help each other, or a plant and animal may mutually benefit one another, or where two animals may contribute to each other’s welfare. You will see on this program an example of each. The lichen, a common plant, looks like one individual, but really consists of two kinds of plants living together. You will see this story through the microscope. And you will see the story of cross-pollination, in which bees and insects take nectar from the flowers and in so doing transfer pollen from one flower to another. Ever look inside a wood eating termite? You will and with a microscope to see a story of mutual benefit. Inside the termite lives a host of one-celled animals which assist the termite in digesting the cellulose in the wood he consumes. (WGBH-TV) Kinescope.
Wind, heat, cold, and rain combine to weather the rocks and break them down. But the face of our earth is molded and the decayed rock carried away from one place and deposited in another mainly by water. The deposits laid down by water, wind, or ice produce after long periods of time and under pressure, rocks which are classed as sedimentary. You will see and learn how to distinguish some of the common sedimentary rocks; limestone, sandstone, shale, and conglomerate. Each of these sedimentary rocks is formed in a different way; limestone by chemical precipitations, sandstone by grains of sand cemented together, shale from beds of mud or clay pressed and cemented into thin layers, and conglomerate is made of gravel or pebbles of assorted sizes cemented together. You will be introduced to one of the most interesting features of sedimentary rocks -their fossils. These records of living things are guides to the history of life on the earth.
What happens when a rocket ship in space is struck and damaged by a meteor? Capt. Gell, a Navy expert on crew equipment, demonstrates the Navy’s full-pressure space suit for emergency escape from a shattered craft. Dr. Haber, an aerodynamic engineer who has made a thorough study of the theoretical problems of escape and survival far out in pace, explains the difficulty of making an individual descent into the atmosphere, on one hand, and of rescuing the stranded flyer in space, on the other. Dr. Herbert’s recommendation: the crew should ride the damaged vehicle back to earth --if anything remains of it.
United States. Office of War Information. Domestic Branch. Bureau of Motion Pictures
Summary:
"A quick overview of the weeks spent in learning to jump, tumble, and fall, in practice jumping from a tower and from a dummy plane, in packing the parachute one's life depends on, in learning to jump from a plane in half a second, to guide a chute by working the shroud cords, to land without splintering a leg, to disengage the chute and come up fighting."--War Films, Bulletin of the Extension Division, Indiana University, February, 1943.
Illustrates the eight parts of speech and their importance in communicating ideas. Derives examples of parts of speech from a beach scene, showing youngsters of different ages enjoying various activities. Utilizes overprint titles and split-screen techniques. The split-screen device simultaneously shows a beach scene and a grammatical construction related to it, which is discussed and explained.
Portrays to youth the wide variety of career opportunities in sales and merchandising occupations, how entry jobs fit into the career ladder, work settings, levels of occupations, and information about preparatory experience available through part-time work or a summer job in the retailing industry.
Stresses the importance of appearance to a speaker's self-confidence and good audience reaction. Uses cartoon characters to show types of poor posture. A man preparing his first speech demonstrates balance and proper techniques of posture and movement. Reviews the suggestions made.
