2:10

On World War II and Nazi Symbolism: A Note from Extra History

10:18

The Polio Epidemic - FDR & The March of Dimes - Medical History - Extra History

11:12

Curing Tuberculosis - The Hero Koch - Part 1 - Extra History

11:06

The Great Disappointment - US History - Extra History

26:26

How Anthrax Changed Infectious Disease

13:38

What REALLY Happens To Predators In Prison

11:30

History of Dentistry - Demons and Tooth Worms - Extra History - Part 1

9:21

The 1918 Flu Pandemic - Emergence - Part 1 - Extra History