It's not just the USA that his this problem. It seems to be a global problem. I think that a large part of it is that we like to break up the curriculum into l

It's not just the USA that his this problem. It seems to be a global problem. I think that a large part of it is that we like to break up the curriculum into little compartments, rather than treating it as a series of interrelated components. There's history to be learned in science, and there's science to be learned in history, for example. But we treat science and history as two completely separate entities.