Zoos must embrace animal death for education and conservation - Marcus Clauss; Marco Roller; Mads Frost Bertelsen; Claudia Rudolf von Rohr; Dennis W. H. Müller; Christian Schiffmann; Maya Kummrow; Dag Encke; Sam Ferreira; Ethan S. Duvall; Celesté Maré; Andrew J. Abraham (Proceedings of the National Academy of Sciences, 2025)