11221. Secondary Flow (29:58)

Date:
1964
Main contributors:
Edward S. Taylor; Quentin Brown; Abraham Morochnik
Summary:
Demonstrates secondary flows caused by the imposition of primary-flow pressure gradients on low-momentum fluid in sheer layers. Includes in the demonstrations secondary flows in a free vortex, in a...

11222. Immunization (second edition) (10:04)

Date:
1955
Main contributors:
Encyclopaedia Britannica Films Inc.; Michael Heidelberger; Yale Kneeland
Summary:
Dramatized incidents and animated sequences are used in explaining what immunity is and how immunity to infectious disease is achieved. Describes the action of vaccines and shows how vaccines for ...

11223. People of a city (17:39)

Date:
1957
Main contributors:
See Other Contributors
Summary:
Interweaves sequences of events in the lives of several people to relate moments of beauty and tenderness of everyday life in the city of Stockholm. Captures the early morning tempo of the city, a...

11224. Pioneers of the plains (10:56)

Date:
1941
Main contributors:
See Other Contributors
Summary:
Traces the experiences of a pioneer family in journeying from Illinois to a homestead on the Midwestern plains. Sequences include their relationship with other settlers and cattlemen, building and...

11227. On Air with IER: Episode 42 (16:17)

Date:
October 21, 2019
Main contributors:
Edwards, Beth; Saenz, Enrique
Summary:
This week: A new proposal from the EPA limiting the amount of lead and copper in drinking water could help ensure safer drinking water in schools, and NASA has made available nearly 20 years of sat...

11229. On Air with IER: Episode 43 (17:36)

Date:
November 4, 2019
Main contributors:
Edwards, Beth; Saenz, Enrique
Summary:
This week: A pair of environmental advocacy groups sued the U.S. Environmental Protection Agency to tighten national emissions standards for toxic pollution from steel mills, and an EPA proposal se...

11230. On Air with IER: Episode 46 (19:11)

Date:
December 9, 2019
Main contributors:
Edwards, Beth; Schwibs, Susanne
Summary:
This week: We take a look at why Indiana ranks 44th in the nation for new incidences of lung cancer, and the federal government makes a deal with a national cement company for alleged Clean Air Act...