Lydia Denworth is a Brooklyn, N.Y.–based science writer, a contributing editor for Scientific American, and author of Friendship: The Evolution, Biology, and Extraordinary Power of Life’s Fundamental Bond (W. W. Norton, 2020). Credit: Nick Higgins Lee Reeves always wanted to be a veterinarian. When he was in high school in the Washington, D.C., suburbs, he went to an animal...
