The more we know, the more we come to see how little we know. I expect this is true in all areas of deep study. Years ago, I came across a wonderful analogy, “the sphere if knowledge,” that I think...

-- on one planet. Want to visit a strange new world? Talk to a human. Though largely unaware of this fact, each one of us lives in our own little world. (Wait a minute; I guess that's pretty obvious...

Past or future? Which draws you? Almost everyone has a preference.  Science fiction tends to appeal to future-oriented people, as does speculative fiction in general. Other genres tend to be...