I was always passionate about popular scientific information and "did you know" things. If there would be a book with million pages with "did you know" articles about science, I would read them without any pauses. You can say that there are already several magazines like - Popular Science, Wired, Livescience.com, HowStuffWorks.com, DiscoverMagazine, etc. But I think I found a niche theme to start a magazine style website, and if I can grow big enough, I am going to go also offline publishing. I think it must be something between "interesting facts"-"how stuff works" - "popular science". I would like to hear if anyone from HN started/starting a magazine startup, what are the experiences, advices, lessons learned, etc.