Some of my earliest memories involve animals: Going to the Philadelphia Zoo, the Nay Aug zoo in Scranton or Claws ’N’ Paws in the Poconos. Watching “Nature” and “Mutual of Omaha’s Wild Kingdom” on TV.

Research on SARS-CoV-2 in zoo tigers, lions, and hyenas shows rapid viral evolution and adaptation, offering insights into cross-species transmission dynamics.

Two recent examples of zoos in the news raise serious questions about the troubling nature of human-animal relationships. A few days ago, we learned that Germany's Tiergarten Nurnberg zoo killed 12 ...