logo
episode-header-image
Nov 2019
4m 47s

BrainStuff Classics: How Dirty Is Soap?

iHeartPodcasts
About this episode

It’s good hygiene to wash your hands after touching shared bathroom surfaces. But bars of soap are also a shared surface. Learn why soap is pretty clean in this episode of BrainStuff.

Learn more about your ad-choices at https://www.iheartpodcastnetwork.com

See omnystudio.com/listener for privacy information.

Up next
Jun 1
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
9m 4s
May 30
BrainStuff Classics: What Can Babies See in the Womb?
A human fetus doesn't develop retinas until around gestational week 28. Learn how researchers have tried to figure out what babies can see in the few remaining weeks before they're born in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com ... Show More
5m 3s
May 29
Can You Really Escape an Alligator by Running Zigzag?
You could probably outsprint an alligator no matter what pattern you ran in -- but it's extremely unlikely that you'd ever need to. Learn how alligators do and don't attack in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/reptiles/alligator- ... Show More
10m 21s
Recommended Episodes
Jul 2020
How Soap Works
<p>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.</p><p> </p> Learn more ... Show More
49m 8s
Mar 2011
Germ-free Dirty Hippies
<p>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.</p><p> </p> Learn more about your ad-choices at <a hr ... Show More
28m 11s
Apr 2020
Soap
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
1h 8m
Aug 2022
Hold Up with Dulcé Sloan & Josh Johnson: Body Wash vs. Bar Soap
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
40m 23s
Feb 2022
TechStuff Classic: TechStuff Gets Flushed
How do toilets work? What's the secret behind using a Japanese toilet? And can you enter a toilet race? Josh Clark joins the show. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 
52m 32s
Mar 2020
How does soap kill COVID-19?
tail spinning
33m 6s
Jun 2022
When baths met soap
Scrub-a-dub-dub, it’s time for the tub! Or is it? You probably wash up with soap plenty of times throughout the week, but did you know that most people throughout history didn’t use soap for their bodies at all? Joy and co-host Maeve take a trip to Menaka’s ‘Storical Soap Stand, ... Show More
27m 38s
Apr 2020
Bidets: Now More Than Ever
tail spinning
46m 40s
Sep 2017
SYSK Selects: Fecal Transplants: You Gonna Drink That Poop?
<p>In this week's SYSK Select episode, there's an emerging field in health care called medical ecology that's concerned with understanding how the 100 trillion microbes living inside us keep us healthy. The field's first breakthrough is the fecal transplant, taking poop from a he ... Show More
33m 33s