Add Yahoo as a preferred source to see more of our stories on Google. Thousands of years ago, our ancestors discovered something that would clean their bodies and clothes. As the story goes, fat from ...

The film details the process of soap making, starting with Carl Mason's laboratory demonstration using fat and sodium hydroxide (lye). It explains the chemical reaction known as saponification, where ...

Soap may seem like a simple household item, but it's one of the most powerful tools in our fight against viruses and bacteria. Long before modern sanitisers and disinfectants became popular, soap was ...