In your opinion, which is a generally better magazine: Scientific American or Popular Science?

In terms of monthy issue size, credibility, relevant and interesting topics and anything else that makes a good magazine...

Scientific American. They typically publish peer reviewed, independent articles... they're much more of a "popular" version of a hardcore science journal (Nature, etc). Popular Science is a fine magazine, but they're a notch down in intellectual terms, and probably a notch up in terms of mass accessibility. But that's the way it ought to be -- science is what science is, and there's no guarantee you or I will understand it all, even when the scientists in questions simplify it as much as possible.

Scientific American is much better in my opinion.