Fiction is about human beings, first and foremost. (It's not impossible to write fiction with no human protagonists, but it's very hard to keep the reader interested ...)
Charles StrossI'd like to be proven wrong firstly on the difficulty of building a self-sustaining closed circuit ecosystem in space that can support human life.
Charles StrossI don't want to permanently damage myself! On the other hand, a couple of days off the keyboard tends to make things somewhat better.
Charles Stross