Vsauce3 | Stains. @Vsauce3 | Uploaded 5 years ago | Updated 22 hours ago
Thanks to Tide for sponsoring this episode and for their scientists' time in talking to me. That was very nice.

twitter: http://twitter.com/vsaucethree
instagram: http://instagram.com/jakerawr
facebook: http://facebook.com/vsauce3

Mary Roach's wonderful book "Gulp":
amazon.com/Gulp-Adventures-Alimentary-Mary-Roach/dp/0393348741

Enzymes in detergents:
http://www.academicjournals.org/app/webroot/article/article1380713950_Hasan%20et%20al.pdf

More on surfactants:
http://www.essentialchemicalindustry.org/materials-and-applications/surfactants.html

**Credits**

Patreon EPs: Star Melody, Ian Chi, Arsalan Noorafkan, Peter Buekering, Andrew Klein

Directed/Hosted/Edited by Jake Roper

Camera by Jack Merline

Research by Scott Frank