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UW research: World population could be nearly 11 billion by 2100

A new statistical analysis shows the world population could reach nearly 11 billion by the end of the century, according to a United Nations report issued June 13. That’s about 800 million, or about 8 percent, more than the previous projection of 10.1 billion, issued in 2011.

The projected rise is mostly due to fertility in Africa, where the U.N. had expected birth rates to decline more quickly than they have.

“The fertility decline in Africa has slowed down or stalled to a larger extent than we previously predicted, and as a result the African population will go up,” said Adrian Raftery, a University of Washington professor of statistics and of sociology. (more…)

Evolution of Religious Patriarchy as a Mate-Guarding Strategy?

By Guest PostJune 15, 2012Culture, Scienceadultery, african population, african society, beverly strassmann, Bible, biological anthropologist, brenda gillespie, brendan hugg, christianity, contraception, cuckoldry, dogon belief, dogon people, dogon practice, eneticist, erin burke, evolution, female sexuality, fertility status, fidelity, genetic data, ideology, indigenous, islam, Mali, menstrual huts, menstrual taboos, michael hammer, monotheistic religion, nikhil kurapati, pollution, quran, rates of cuckoldry, religious patriarchy, religious practices, sacred texts, tatiana karafet, traditional, united states, university of arizona, university of michigan, village, virginity, west africa, word of god, y dna mismatch

One of the largest and longest studies in a traditional African society sheds light on religious practices and cuckoldry. Genetic data suggest religious patriarchy is directly analogous to the mate-guarding tactics used by animals to ensure paternity.

Religious practices that strongly control female sexuality are more successful at promoting certainty about paternity, according to a study published in the June 4, 2012 issue of the Proceedings of the National Academy of Sciences.

In an interdisciplinary collaboration, a group of researchers around biological anthropologist Beverly Strassmann from the University of Michigan and University of Arizona geneticist Michael Hammer analyzed genetic data on 1,706 father-son pairs in a traditional African population – the Dogon people of Mali, West Africa – in which Islam, two types of Christianity and an indigenous, monotheistic religion are practiced in the same families and villages. (more…)

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UW research: World population could be nearly 11 billion by 2100

Evolution of Religious Patriarchy as a Mate-Guarding Strategy?