water solubility

Should you be in the mood to change the color of your pee, this is the article for you. Two drugs and one natural product do the job quite vividly. A colorful chemistry lesson, a party trick, and good bathroom reading!
If you're driving around the southwest and find yourself in the middle of nowhere, pay attention. That's because you never know when you might be near a place of historic significance. There's just such a place in the Arizona desert called Chloride, and here's how it got its name. And a little chemistry lesson (at no extra charge).
If you've ever had the pleasure of having a kidney stone, you certainly don't need a lesson about pain. But just in case that wasn't sufficient, here's some more: a lesson about the chemistry of kidney stones. There will be a quiz. Hope you pass it.