BrainStuff Classics: How Dirty Is Soap?

When every minute counts, search-and-rescue dogs can help locate disaster victims far faster than humans alone. Learn about how they're trained in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/animal-facts/sar-dog.htm/printableSee omnystudio ...  Show more

The tradition of dropping a ball in Times Square to mark the beginning of a new year only goes back about a century. Learn about the history -- plus four weird things that other cities drop instead -- in this classic episode of BrainStuff.See omnystudio.com/listener for privacy i ...  Show more

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.

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.

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

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