There's a site called the blog readability test. It basically tells you what level of education you need to read a site and generally, it claims, how smart your readers are. This is the bad news for us: However, putting scienceblogs.com in gets: Which means they are appealing to a much larger audience than we are. So try to dumb it down a little, people. Here are all of the sites I put in: Nature,Physorg.com,Scientific Blogging, Scientific American - genius Sciencedaily.com - college undergrad Space.com - high school Discovery, Livescience,Scienceblogs - junior high Want to compare us to other sites? Click the link above and try it yourself.