For all the ladies out there who’ve always had a sneaky suspicion they are smarter than men, we have an affirming piece of news for you: Women’s IQ scores have surpassed men for the first time in recorded history. Although females have traditionally lagged behind on IQ scores — at times trailing the guys by five points — the gap has been closing, and leading expert James Flynn says the new test challenges former beliefs about genetic differences.
One theory is that juggling work and kids has made women better multi-taskers, thus raising IQ. Another theory is women have a slightly higher potential intelligence that is only now being realized due to modernity. [Source]