BrainStuff Season 2 Episode 16 How Dirty Is Soap?

How Dirty Is Soap? That’s the question being answered by the BrainStuff team in season 2 episode 16. This episode takes a deep dive into the cleanliness of one of our most commonly used household items - soap.

The episode begins with a brief history of soap, dating back to ancient civilizations using a mixture of ash and animal fat to clean their clothes and bodies. Fast forward to modern times, and soap has become an essential item for personal hygiene. But just how clean is soap?

The hosts start by discussing the different types of soap available - from bar soap to liquid soap to antibacterial soap. They explain the differences and benefits of each type, as well as addressing the controversy surrounding antibacterial soap and its potential negative effects on both the environment and human health.

Next, the BrainStuff team dives into the science of soap and how it works to clean our skin. They explain how soap molecules work to break down the oils and dirt on our skin, allowing us to wash them away with water. They also touch on the importance of handwashing and the proper technique to ensure maximum cleanliness.

But what about the cleanliness of the soap itself? The hosts delve into the potential for bacteria to grow on soap - both bar soap and liquid soap. They explain the science behind bacterial growth and the factors that contribute to it, such as humidity and temperature. They also discuss the potential for cross-contamination when using bar soap and the benefits of using liquid soap with a dispenser.

The episode then takes a turn towards the topic of “germophobia” - the fear of germs and obsession with cleanliness. The hosts discuss the potential negative effects of germophobia and the importance of exposing ourselves to some level of “good” bacteria to strengthen our immune systems.

Towards the end of the episode, the BrainStuff team addresses the importance of understanding the science behind soap and cleanliness to make informed decisions for both our own health and the health of the environment. They emphasize the importance of using soap properly and disposing of it properly, as well as the potential negative effects of using too much antibacterial soap.

Overall, How Dirty Is Soap? is an informative and interesting episode that tackles a commonly overlooked aspect of our daily hygiene routine. Viewers will come away with a greater understanding of the science behind soap and the importance of understanding cleanliness beyond the surface level.