Ideal marriage partners drive Waorani warriors to war. Subtle coercion from in-laws also a factor.
A brief summary of marriage trends across gender, age, race and religion.
Contrary to traditional expectations of unbalanced sex ratios, places with more men than women do not typically experience higher rates of family and social instability, according to a University of Utah study.
New research from University of Utah researcher Nicholas H. Wolfinger explores counterintuitive trends in the link between premarital sex and marital stability.