Which chimpanzee should wield the crystal? Drawing on experiments led by Professor Juan Manuel García-Ruiz, Defector playfully examines how Manuela, Yvan, Toti, Guillermo and Sandy responded to crystals. From carrying a quartz monolith into their sleeping quarters to sorting crystals from ordinary pebbles, each chimpanzee displayed a different degree of “crystal allure”—but one emerged as the publication’s clear favourite.
