Then assume that these incredibly bright women would be happy with a mate who is their intellectual equal or more, but at risk for falling madly in love, any moment, with a younger, less intelligent, less educated woman because she is, I assume, quite pretty.

FORBES: I Graduated From Princeton, And I Married a Princeton Man

So far, Dr Borra has achieved a reflectivity of 50% (that is, half of the light falling on the mirror is reflected), but he is confident that he will be able to equal the 80% reflectivity of mercury.

ECONOMIST: Mirror, mirror