14033. Going to hospital with mother (41:28)

Date:
1950
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Summary:
This film shows how the staff of a British hospital has improvised a method of routinely admitting the mothers of patients under school age to a ward of traditional design without structural altera...

14035. Great lakes invader : the sea lamprey (12:29)

Alternative title:
Sea lamprey
Date:
1982
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Summary:
Explains how sea lamprey nearly destroyed the fish in the Great Lakes. Scientists studied methods of controlling this predator and devised electrical barriers and electromechanical weir and traps.