My favorite part of writing Science Fiction is coming up with impossible situations and then rationalizing them so that they are believable. You know what I mean, Universal Translator Earbuds, Anti-gravity fields, etc. In the Dune series the author justifies knife fights in the future by invoking energy shields that made projectile weapons ineffective. Verne went to impressive lengths for his day to justify an alternative energy source for the Nautilus. The X-men gain their powers by inheriting a the ‘X-mutation’. (Super lame justification in my opinion, but you get the point) I think that it is the level of creativity with which an author gets around realistic improbabilities that makes any work of Science Fiction colorful, realistic, and fun. I’m also pretty sure that while such justification of events is most obvious in SF, all other genre really do the same thing to get their characters where they want when they want. So in the name of mental exercise and practice here’s what I propose; I’ll suggest a challenge and you can reply with how you would justify such a situation so that a reader would buy it. Others can pick up the torch with new challenges at any time. Challenge 1: In the future space voyagers encounter a race of hostile aliens known as the Ytsan. The most striking feature of the Ytsan is their aggressive and completely asocial nature. Yet, they are technologically advanced and have been observed to work in concert during intergalactic affairs. How would such a species have evolved technologically and socially? Bonus points for creativity, and replying in prose.