Diade Riva Nugrahani / Shutterstock.com
Advertising Disclosure: When you buy something by clicking links within this article, we may earn a small commission, but it never affects the products or services we recommend. One day in 1859, a chemist named Robert Chesebrough visited Titusville, Pa. He noticed that oilfield workers were using something they called “rod wax” to dress minor skin wounds. Rod wax was an oil-drilling…