BrainStuff Classics: How Dirty Is Soap?

BrainStuff Classics: How Dirty Is Soap?

Up next

Do Our Pinky Toes Serve a Purpose?

Your pinky toes are actually powerhouses of locomotion. Learn how they help us move -- and what can go wrong if they get injured -- in today's episode of BrainStuff, based on this article: https://health.howstuffworks.com/human-body/parts/surprise-pinky-toe-does-serve-purpose.htm ...  Show more

Where Did the At Symbol Come From?

The @ sign goes by many names today, but it's only so commonplace because of medieval merchants and one 1970s programmer. Learn more about the at sign (or arroba, Klammeraffe, strudel, grisehale, or gül) in this episode of BrainStuff, based on this article: https://people.howstuf ...  Show more

Recommended Episodes

How Soap Works
Stuff You Should Know

Soap is a miraculous substance – and mysterious too: we have no idea how humans first figured out to make it. We lived with soap for millennia before we thought to use it to wash ourselves with it, but once we did a love affair with cleanliness was born.

Learn more ...  Show more

Germ-free Dirty Hippies
Stuff To Blow Your Mind

It's been said that cleanliness is close to godliness, but is it possible for a person to be too clean? In this episode, Julie and Robert analyze the relationship between hygiene, bacteria and health. Tune in to learn more.

Learn more about your ad-choices at   Show more

Soap
Invention

We’re all probably using a lot more soap these days, but… what is it exactly? How does it work? Who invented it and how has it changed the world? Join Robert and Joe as they explore the invention of Soap. This episode marks the final installment of Invention as a standalone podca ...  Show more

Hold Up with Dulcé Sloan & Josh Johnson: Body Wash vs. Bar Soap
The Daily Show: Ears Edition

What’s the best way to lather up: body wash vs. bar soap. Daily Show correspondent Dulcé Sloan and Daily Show writer Josh Johnson get on their soapboxes to discuss; what’s more hygienic? Washcloth or loofah? Scented or unscented? See omnystudio.com/listener for privacy informatio ...  Show more