Surface Tension topic

Surface Tension is a science fiction short story by James Blish originally published in 1952. Humans crash on a distant planet which is earthlike but all but completely water-covered; their ship is too damaged to take off, nor do they have sufficient supplies to survive for long. The humans create a race of microscopic aquatic humanoids to carry on their legacy before themselves dying off. The majority of the story concerns these creatures and their intelligence, curiosity, and evolving... full article at wikipedia