A few weeks ago I spotted, in someone's trash, Isaac Asimov's science fiction classic,
The best plotlines echo evolution. The 1951 film When Worlds Collide, for example, dramatizes the founder effect and eugenics. A few humans, selected for their superior intelligence, board a spaceship to escape an earth suddenly in the path of an oncoming planet, to settle elsewhere and found a human colony. (This theme reemerged in 1997's Asteroid, a film so bad my husband dubbed it Hemorrhoid.) Similarly, postnuclear-holocaust scenarios spawn population bottlenecks. These ...