|the offspring of a zebra and a donkey.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
any of various disciplines dealing with the subject of human actions, usually including the fields of sociology, social and cultural anthropology, psychology, and behavioral aspects of biology, economics, geography, law, psychiatry, and political science. The term gained currency in the 1950s in the United States; it is often used synonymously with "social sciences," although some writers distinguish between them. The term behavioral sciences suggests an approach that is more experimental than that connoted by the older term social sciences
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