Here's an article about a teacher that does crazy experiments in class that get the students excited about chemistry. And now, they are trying to fire him. He's been doing the same stuff for 25 years but the PC world has finally caught up with him. Personally, I would have LOVED a teacher like him because my high school chemistry teacher was one of those overeducated PhD guys who couldn't (or wouldn't) get a job teaching college students so he decided that his intellect was better suited to bore high school kids. He could barely speak and I don't remember ever doing anything in that class besides doing homework for other classes.