Gotta love it: the more education women get, the more they fall behind male peers in pay.

It’s one of those conundrums – there are so many in the wage gap morass – that just doesn’t make sense. Thank goodness the Institute for Women’s Policy Research spells it out in agonizing detail in its just-released briefing, “Separate and Not Equal? Gender Segregation in the Labor Market and the Gender Wage Gap.”