Development of the human body used to approximately judge a child's age based on physical development. Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs. Physical growth—height and weight—accelerates in the first half of puberty and is completed when an adult
Association for the Social Scientific Study of Jewry of research, and assists in the cultivation of younger scholars. The organization publishes a journal, "Contemporary Jewry", several times a year with research articles that draw on a range of social scientific fields and methodologies. The Marshall Sklare Award is an annual honor of the Association for the Social Scientific Study of Jewry (ASSJ). The ASSJ seeks to recognize "a senior scholar who has made a significant scholarly contribution to the social scientific study of Jewry." In most cases, the recipient has given a scholarly address. In recent years, the honored scholar has presented the address at the annual meeting