Guest: Does your school appreciate "Venmo" moms?

For decades, my mother (who was a veterinarian’s assistant during my childhood) gloated about her visit to my third-grade classroom.

The dignified Mrs. Shelton accidentally transposed some numbers and Mom quickly corrected her for stating the normal human body temperature is 96-point-8.

(With the proliferation of true-crime podcasts, it seems today the normal human body temperature is “room.” But...