Latest Sexual selection Stories
New insights into what goes on when the lights go off
In choosing a mate both males and females rely on visual cues to determine which potential partner will supply the best genes, best nesting site, best territory, and best parenting skills.
Chest-thumping and grunting alpha males, a study suggests, may be losing the battle for preferable females to males who can demonstrate caregiving and the ability to provide for a family.
In early human evolution, when faithful females began to choose good providers as mates, pair-bonding replaced promiscuity, laying the foundation for the emergence of the institution of the modern family.
At one University of Cincinnati laboratory, the phrase “battle of the sexes” is taking on new meaning, with implications for our understanding of evolution.
For the first time, scientists have found what could be a causative link between the concentration of circulating Y-chromosome fetal cells in women who gave birth to children of either sex and their risk of later developing breast cancer and colon cancer.
A study carried out by researchers from Spain, the Netherlands and Argentina suggests that in a work environment, sexual competition affects women more than men.
Battles of sexes shown to spur adaptive sex differences
In most species, females prefer the most intense courtship display males can muster, but a new study finds that female cowbirds actually prefer less intense displays.
New evidence proves humans are continuing to evolve and that significant natural and sexual selection is still taking place in our species in the modern world.
- Emitting flashes of light; glittering.