The nail polishes popular today owe their existence to the automotive industry, but the history of nail colors and varnishes goes back millennia. Learn the history of nail polish in this classic episode of BrainStuff, based on this article: https://health.howstuffworks.com/skin-care/nail-care/tips/colorful-history-nail-polish.htm

Where Do Butternut Squash Come From?
10:07

How Did the Great Stink of London Work?
12:10

BrainStuff Classics: How Do Blue Whales Work?
08:41