A story learning towards the more scientist fiction that you get in Analog than is normally the case in Asimovs. C.W. Johnson is a professor of physics, and the story does get just a little too technical than is ideal for those of use not really interested in too much scientific detail. The story features a graduate student doing research for a senior professor, and takes forward her scientific analysis alongside a health threat to her partner, and the stresses of doing said research, both professional and personal.