Evolution , Human sexuality. However, aggression is not always the smartest strategy, as aggression carries costs. Comment Ninja March 31, at For a chimp, male paternal investment tends to reach the heights of not killing infants; for human males, investment might involve decades of protecting and provisioning. So basically, a guy paid his neighbor to impregnate is wife.
How sperm reveals if a man suspects CHEATING
This was probably the most depressing article I've ever written for HowStuffWorks. Sperm competition is more intense among chimpanzees: Through a series of short fictional stories and discussion following them, Baker proposes evolutionary functions for sexual habits, mostly on the principle of competition between sperm of different men for a prized egg. The researchers found evidence to support their hypothesis: Building a new computer? CJ on same night lays NY is cold
Sperm Wars: Infidelity, Sexual Conflict, and Other Bedroom Battles by Robin Baker
We have all this new kerfuffle about John and Elizabeth Edwards. Imagining Alternatives to More War in Syria. It's a great show, if you don't watch it. Email your comments to her at liberties blockbooks. They may or may not actually like it.
Sperm Wars is the best book on the best subject. Not everyone is capable of compersion or even wants to be, but it certainly makes the sperm wars effect more enjoyable. April 3, Sperm Wars by Susan Block. Some scientists believe men have adapted clever ways to prevent this from happening. And they cheat on their mates more often than guys with less well-balanced bodies. Regardless of their gender, leaders need to offer something valuable.