Did you happen to know that the average cup of coffee is actually 98 percent water? In the video below, Wired Magazine explores what’s in the other two percent. Some of the compounds include things like 2-ethylphenol, which is actually a pheromone in cockroaches, and trigonelline, which gives coffee its earthy taste. And of course, there’s that wonderful thing called caffeine.
Learn about what you’re drinking: