Tracking the messy toothpaste origin story
You probably don't think much about the toothpaste origin while you're half-asleep in front of the bathroom mirror, mindlessly scrubbing away. It's just one of those things we do, right? But if you really dig into how we started cleaning our teeth, things get pretty weird, pretty fast. We're talking about a history that involves crushed ox hooves, burnt eggshells, and—believe it or not—a lot of soap. ...