21. Animals in sub-gravity conditions (14:56)

Date:
1957
Summary:
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 leaves the surface of the Earth. Points out that tests show no reason why man cannot fly 37 miles into the atmosphere. (New Mexico College of A.& M.A.) Film.

22. Arctic borderlands in winter (10:58)

Date:
1948
Summary:
Shows the adaptation of animal and plant life to the rigors of winter around Hudson Bay, where evergreen forests give way to treeless tundra. Includes Indians, their sled dogs, their homes, birds, and animals such as caribou and otters.

23. Arteries of life (09:52)

Date:
1948
Summary:
The third in the "Living Earth" series. Shows the interrelationship of water and forests in supplying life-giving moisture to topsoil. Pictures what happens when forests are destroyed and water is no longer stored in the ground.

24. Atomic alert (elementary version) (11:11)

Date:
1951
Summary:
Shows several youngsters finding shelter upon hearing an air raid alert. Then portrays Ted and Sue, at home when the alert sounds, taking the necessary precautions against an atomic bomb. They cover windows, check the kitchen for fires, and go to the basement to wait for instructions over the battery radio. Next pictures what to do in case of a bombing without warning, as demonstrated by Ted and Sue. They are commended by the warden for their good work.

25. Atomic energy : an introduction (11:17)

Date:
1946
Summary:
Explains, with animation, atomic structure and the basic concepts of atomic energy. Distinguishes between electronic or chemical energy and nuclear energy. Explains the three known forms of atomic energy release: natural radioactivity, nuclear synthesis, and nuclear fission. Illustrates the relationship between atomic energy from the sun and chemical energy stored and released in photosynthesis and combustion.

26. Aujourd'hui nous visitons Paris (20:53)

Date:
1963
Summary:
Presents a tour of Paris, indicating points of interest and picturing Parisians as they go about their everyday tasks. Views Paris from atop the Eiffel Tower. Shows a diagram of the city and locates various points on the diagram. French language narration.

27. Baby meets his parents (10:48)

Date:
1948
Summary:
Explains how the developing personality of the child is influenced by the manner in which his parents provide for his basic needs and prepare him for social living.

28. Baby sits up (29:42)

Date:
1956
Summary:
At the milestone of nine months, the baby has learned many new things, including how to sit up and to crawl. Safety in the home is of double importance now and a playpen should be purchased at this time. Dr. Wagner discusses proper toys for this age group and the physical and emotional developments of the nine month infant.

29. Baby visits his doctor (29:10)

Date:
1956
Summary:
Shows a mother with her child in the doctor's office where the baby is examined and mother and doctor discuss feeding, use of vitamins, and general progress of the infant. Discuss the concept of child care that emphasizes guidance and prevention of problems rather than treatment of disease only.

30. Baby's first step (29:09)

Date:
1956
Summary:
Discusses the activities, needs, and behavior of the one year old. Considers standing, walking, care of the feet, selection of shoes, and toilet training. Points out some of the behavior typical of this age group.