News from the superficial world of online dating:
It turns out, women really care about men's height. I'm 5'9”, if I wanted to be as attractive as somebody who's 5'10”, right, another inch? I would have to make about $35-40,000 more a year.
This and other, deeper and more interesting, observations about human motivations and the psychological discount rate, in the Big Think Interview With Dan Ariely.