Stem of Elodea

Video showing bubbles coming off the stem of Elodea

Stem of Ludwigia

Video showing bubbles coming off the stem of Ludwigia

Video on Producing Penicillin

In this video segment from A Science Odyssey on PBS LearningMedia™, learn about the team of scientists from Oxford University that conducted tests on penicillin, in addition to the mass production of this new drug.

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.