Some day I may have the time to find a better way. In the meantime, not everything on the Web can be searchable, so deal with it. Then God created the universe, which upset a lot of people and has generally been considered a very bad move.
Biochemistry is the study of carbon compounds that crawl.
A diamond is the result of intense pressure. Less pressure is crystal, less than that is coal, less than that is fossilized leaves or plain dirt. Pressure can change you into something quite precious, quite wonderful, quite beautiful, and extremely hard. And so, teaching remains one of the few human activities that does not get demonstrably better from one generation to the next. If you think education is expensive, try ignorance.