Sex- and age-specific rates of killing unrelated persons of one's own sex were computed for Canada (1974-1983), England/Wales (1977-1986), Chicago (1965-1981), and Detroit (1972) from census information and data archives of all homicides known to police. Patterns in relation to sex and age were virtually identical among the four samples, although the rates varied enormously (from 3.7 per millio...

Male and female sterilization is used in many countries worldwide as a permanent method of contraception. Failure rates for female sterilization are affected by age at sterilization and by the method of tubal occlusion. Laparoscopic sterilization has low complication rates but is not available in parts of the developing world due to the lack of facilities, equipment and expertise. Less invasive...

MALE AND FEMALE. By Margaret Mead. New York, William Morrow and Co., 1949. 477 pp. $5.00. Margaret Mead has made an assumption, not necessarily held by all present day sexologists, that there is a fundamental difference between the human male and the human female, and has utilized four hundred and seventy-seven pages in impressive documentation of this thesis. Seven Southwest Pacific societies,...

this study focused on the income generating capacity of farm family’s own resources and examined the vulnerability to financial risk among the remote and peri-urban farming systems of imo state. primary data was collected using the farming and rural systems approach to randomly select and interview 120 households. descriptive statistics and mann whitney test were used in assessing between group...

in this study, age and growth for two populations of shemaya, chalcalburnus chalcoides, in haraz and shirud rivers were investigated from april to june 2006. 704 fish specimens were collected using a cast- net. the maximum length and weight in a 5- year old female observed were 251 mm and 96 gr, respectively. the most abundant age groups were 2+ and 3+ years for male and female respectively. wh...