Video on the Discovery of Penicillin

In this video segment from A Science Odyssey on PBS LearningMedia™, learn what led British researcher Alexander Fleming to the chance discovery of antibacterial properties in a mold extract he later named penicillin.

Pellagra Video

This video segment from A Science Odyssey profiles Dr. Joseph Goldberger and his search for a cure for pellagra, a poorly understood disease that ravaged the American South in the early 1900s. 

Bubonic Plague Video

This video segment from A Science Odyssey recounts the tactics employed by San Francisco’s health officials to prevent bubonic plague from reaching America’s West Coast.