National Institute of Open Schooling
Radioactive Pollution
Radioactive pollutants can enter the body through ingestion, inhalation, absorption, or injection. The last lesson in a series of 36 introduces pupils to radioactive pollution. They study its sources, both natural and man-made, its...
Michigan State University
Michigan State University: Environmental Health & Safety: Jean Frederic and Irene Joliot Curie
This is the story of the careers of Jean Frederic Joliot and Irene Curie.