Why your wife should be 27% smarter than you
news.cnet.com
news.cnet.com
EDIT: This must be an early version of the paper, or the linked article is substantially overstating its conclusions. (Is there a student on HN who can get free access to the published version?) I don't even see a metric for intelligence, other than a binary high/low.
EDIT: The copy I looked through was the published one. http://dx.doi.org/10.1016/j.ejor.2009.06.009
I don't think college degree == more intelligence, but I'm for the 5 years younger and same cultural background concepts.
Call me in five years and I'll discuss the virtue of "15 years younger".