It’s A Mystery to Me
By Janet Kagan
Janet Kagan’s 1991 Mirabile is a collection of her Mirabile biological SF stories.
Having braved the hazards of the gulfs of space, a fleet of generation ships settled an alien world they called Mirabile. Their toolkit was the best Earth had to offer at the time they launched. As is so often true when cutting-edge technology is deployed, unforeseen complications ensued.