BrainStuff Classics: How Dirty Is Soap?

Samhain is a pagan holiday -- celebrated between the fall equinox and winter solstice -- that helped form modern, secular Halloween celebrations. Learn about Samhain in today's episode of BrainStuff, based on this article: https://people.howstuffworks.com/culture-traditions/holid ...  Show more

After a tragic set of murders in 1974, the next residents at a grand old house in Amityville, New York, claimed the home was demonically haunted. Their story spawned a horror sensation. But was the whole thing a money-making hoax? Did the murderer really hear voices there? Learn ...  Show more

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

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.