monogamy,biography

day twenty five:bigamy【祝你新年快乐】
预订 partnerships in birds: the study of monogamy
多偶制polygamy曾在历史上长期存在; 单偶制monogamy在当代成为主流
scientists map monogamy, jealousy in the monkey mind
预订 f*cked at 40: life beyond suburbia, monogamy.