Given that the study was based on self-reported data, said gene might as well be responsible for making women exaggerate about their positive well being.

> And I would argue that although the numbers have probably gone up for homicide on a world wide scale(...)

http://www.ted.com/talks/steven_pinker_on_the_myth_of_violence.html

I've tried to moderate your post as "insightful", only to observe it got modded "offtopic". I don't know what broke, but I am posting this to remove my moderation.

Somebody else, mod the parent up.