Skip to main content
Donate

Up Next

Concentration Camps Are Older Than World War II

Concentration Camps Are Older Than World War II

Season 3 Episode 12
10:07
How Did Pride Become a Parade?

How Did Pride Become a Parade?

Season 3 Episode 13
7:24
Why Do We Say "Latino"?

Why Do We Say "Latino"?

Season 3 Episode 14
6:39
The Racist Origins of U.S. Law

The Racist Origins of U.S. Law

Season 3 Episode 15
12:58
Why Do We Shake Hands?

Why Do We Shake Hands?

Season 3 Episode 16
8:37
The Homophobic Origins of U.S. Law

The Homophobic Origins of U.S. Law

Season 3 Episode 17
10:53
History of Socialism in America

History of Socialism in America

Season 3 Episode 18
9:20
Why Do We Say "African American"?

Why Do We Say "African American"?

Season 3 Episode 19
8:26
HIV/AIDS: What Can We Learn From America's Last Epidemic?

HIV/AIDS: What Can We Learn From America's Last Epidemic?

Season 3 Episode 20
11:52
Why Do We Have Political Parties?

Why Do We Have Political Parties?

Season 3 Episode 21
11:11
Health Disparities in the Black Community: Past & Present

Health Disparities in the Black Community: Past & Present

Season 3 Episode 22
11:57
Evolution of Law Enforcement

Evolution of Law Enforcement

Season 3 Episode 23
13:39
Back to Show
Origin of Everything

How We Discovered Germs

Season 3 Episode 11

Humanity didn't always know about the invisible viruses, bacteria, and microbes that can cause disease. But that doesn't mean we didn't come up with some truly bizarre ideas. From the four humors and miasma theory to bloodletting and trepanation, Danielle traces humanity's winding road to the Germ Theory of Disease that revolutionized the medical profession.
Stream on your TV
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
Why are 18 Year Olds Considered Adults?
6:50
Season 1 Episode 3
Why are 18 Year Olds Considered Adults?
Why are 18 Year Olds Considered Adults?
How did Makeup, WWII, & Communism Create U.S. Healthcare?
6:28
Season 1 Episode 2
How did Makeup, WWII, & Communism Create U.S. Healthcare?
Where did our employer based healthcare system actually come from?
The True Origin of Killer Clowns
6:37
Season 1 Episode 1
The True Origin of Killer Clowns
When did clowns get so terrifying?!?
Active loading indicator