This post is dedicated to readers who didn’t pay attention in biology class except for the parts on human reproduction and tropical parasites. Actually, this post got started with all the beach closings we had this year. You know the drill: You go to the beach only to find a sign that says “No Swimming” because of something in Latin this or that. As it turns out, the “this or that” is bacteria found in feces, and the Health Department frowns upon people swimming in their own filth. But it’s [...]