15821. Basic nature of sexual reproduction (15:17)

Date:
1956
Summary:
High-powered microscopic shots are used to illustrate the principle that sexual reproduction in simple and complex plants and animals always involves the production and the union of gametes; exempl...

15822. Greek sculpture (22:52)

Date:
1959
Summary:
Reviews Greek history by showing pieces of sculpture from each historical period from 300 B.C. to A.D. 300 and the related architecture. Sculpture proceeded from small animals buried in tombs to la...

15823. Jack Visits Costa Rica (10:28)

Date:
1947
Summary:
Tells the story of a boy's trip to visit friends in Costa Rica. He lives in the home of an upper-class Costa Rican family, sharing their life and activities. He goes to see the public schools, the ...

15824. Parent to child about sex (29:36)

Date:
1966
Summary:
Shows parents how to teach facts and attitudes about sex. Concerned with when, how and the way sex facts are taught.

15825. Traveling Tour - Jack Howard New York Apt. (22:16)

Date:
1983
Main contributors:
Howard, Roy Wilson, 1883-1964; Howard, Jack R. (Jack Rohe), 1910-; Howard, Eleanor
Summary:
[AI-Generated Summary] Conversation about journalist Roy Howard, highlighting his intense curiosity, love for world travel, and tendency to collect unique items. Participants discuss specific heirl...

15826. TVA and the nation (20:37)

Date:
1960
Summary:
The development of Tennessee Valley Authority, describing the benefits to the people. Includes conditions before TVA and various changes that TVA brought.

15827. Readiness... The Fourth R (19:23)

Date:
1962
Summary:
Presents physical education as an essential part of the modern school curriculum. John Glenn explains why the astronauts need to be ready physically and mentally for space travel. Describes how bod...

15829. The truck farmer (second edition) (10:59)

Date:
1954
Summary:
Points out the chief truck farming areas of the United States and gives a detailed picture of the activities on a truck farm in the Rio Grande Delta. Portrays the planting, irrigation, spraying, h...

15830. Maybe tomorrow (19:01)

Date:
1970
Summary:
Explores a romance between a black, eighth-grade girl and a white, high school boy in terms of its implications in the black community. Reveals that the girl feels intimidated by youths her own age...