y few meters to familiarize the fetuses with movement. Seventy percent of the female fetuses are sterilized. The fetuses undergo different processes depending on their castes. Oxygen deprivation ensures the lower intelligence and smaller size of the three lower castes. Fetuses destined for work in the tropical climate are "heat conditioned." During childhood, they undergo further conditioning to prefer the heat emotionally and physically. Stating the theory to the students, the Director reveals that conditioning aims to make people like "their inescapable social destiny."
             The Director and Henry Foster introduce Lenina Crowne to the students. She explains that her job is to immunize the fetuses destined for the tropics with typhoid and sleeping sickness vaccinations. Henry reminds Lenina of their date for ten to five that afternoon. Future rocket-plane engineers are conditioned to live in constant motion, and future chemical workers are conditioned to tolerate poisonous chemicals. Henry wants to show the students the conditioning of Alpha Plus Intellectual fetuses, but the Director, looking at his watch, announces that the time is ten to three. He decides there is not enough time because he wants to take the students to the Nurseries before the children have awakened
             The Director leads the student to the Nurseries. A notice announces, "Infant Nurseries. Neo-Pavlovian Conditioning Rooms." The students observe a Bokanovsky group of eight-month-old babies, wearing the Delta caste's khaki colors. Some nurses present the babies with books and luscious flowers. As the babies crawl toward the books and the flowers, cooing with pleasure, alarm bells ring shrilly. Then, the babies suffer a mild electric shock. Afterward, the nurses offer the flowers and books to the babies, and they shrink away, wailing even louder with terror.
             The Director explains that after 200 repetitions of the same process, the children will have an instinctiv...