9 MIND BLOWING FACTS ABOUT SALT YOU SHOULD KNOW Salt is a vital ingredient for people, animals, and plants. In ancient Rome, soldiers were occasionally paid in salt because of how valuable it was. Salary is derived from the latin word sal, which meaning salt. When a soldier was paid less for subpar labor, the expression "not worth salt" became well-known. Continue Watching to learn some of the most fascinating salt-related facts you've never heard. Here are some of the Fascinating Facts About Salt If you enjoyed watching this video , let us know in the comments below! Don’t forget to hit that Like , subscribe and comment button!!!!