Sexual selection is a variant of natural selection in which one gender prefers certain traits be present in their mate. Thus individuals with those attractive traits will have a high reproductive success, spreading their genes (and the trait) through the population.
Risk factors that contribute to suicide attempts and suicide completion cover a broad range of domains. Substantial research has shown that individuals who have psychological problems are at increased risk for suicide ideation and completion. .
Couples who are married or living together will probably have more trouble parenting as a team if they have been violent toward one another during pregnancy, according to a team of psychologists.
Human nature has deep evolutionary roots and is manifested in relationships with family members, friends, romantic and business partners, competitors, and strangers more than in any other aspects of behavior or intellectual activity, contends a University of Chicago behavioral biologist.
Another Valentine's Day, another study hating on gaming habits. A new paper released by researchers at Brigham Young University today concludes that online role-playing games have a negative effect on marital satisfaction.