Norma Christianstead is the first person raised from conception to adulthood in zero gravity. The year is 2200. She is a temporal savant. The goal is to determine how micro-gravity interacts with physical, intellectual, social and psychological development. Fifteen years later a CRISPR-spawned plague is overtaking Earth. Norma learns there is another goal to the experiment: to respond to the divinations of a secret artifact-a beacon-of an ancient...