Welcome to the 15th Dreaded Chemistry Lesson From Hell. This time you will be (mis)treated to a plethora of knowledge about bismuth - information so critical that it would be hard to imagine surviving the day without it. And reader comments from Joe, the ball bearing salesman, and Candy, a decertified yoga instructor. Could there be a better way to start your day?
Heavy metals get a bad rap. For the most part, it is deserved because they are usually toxic. Except when they aren't. You have probably consumed a whole lot of at least one or two of them and are just fine. Here's why. BARIUM If you mention the element barium to someone, it will elicit one of precisely two responses: