481. Barbara Murray (15:19)

Date:
1976
Summary:
Discusses pros and cons of alcohol. Uses animation to depict various cultural and religious customs regarding the use of alcohol. Depicts situations in which a teacher examines her attitudes toward...

483. 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...

484. Basic research in marine biology (29:36)

Date:
1959
Summary:
Explains what marine biologists do and the procedures used in solving the problems they choose to investigate. Illustrates questions that marine biologists are investigating including cellular biol...

486. Battle wreckage (10:20)

Date:
1944
Summary:
Explains why large quantities of war materials, in particular steel, are needed for the war effort. Shows the sea battle and beachhead landing of the Normandy invasion.

487. Beach Haven #1 1954 Langes Wilners Seifs Hahns (04:29)

Date:
unknown
Summary:
Per Jenny Bass: Beach Haven, NJ was a family vacation spot with friends. Aline and Jack Lange, Claire and Jerry Hahn are the names of the couples in addition to the Basses in this film. Wilner (no ...

489. Beach Haven 1956 Langes, Benswangers (04:10)

Date:
unknown
Summary:
Per Jenny Bass: Beach Haven, NJ was a family vacation spot with friends. Aline and Jack Lange, Nancy and Ed Benswanger are the names of the couples in addition to the Basses in this film.

490. Beach Haven 1957 Langes, Benswangers, Basses (04:14)

Date:
unknown
Summary:
Per Jenny Bass: Beach Haven, NJ was a family vacation spot with friends. Aline and Jack Lange, Nancy and Ed Benswanger are the names of the couples in addition to the Basses in this film.