Circulation

A couple of the more important areas related to science but not divisions of it are individual scientists, scientific literature, mathematics, scientific education including research, and the history of science. I'm still making progress in the particular areas I mentioned yesterday. Among the more interesting things I looked at this morning were the human circulatory system, and trying to summarize what I know about mechanisms of social change. In history, I've progressed to late classical history (the 1st 5 centuries AD., so I should still be there for a while.