Think how the body-piercing favoured by punk-rockers lost its power to shock after young bankers started sporting discreet earrings with their pinstriped suits.
Thee findings have prompted warnings that a generation of ambitious young women will miss out on a high-flying career and the opportunity to continue their education.
They see young Chinese ignoring Chinese culture and, instead, buying Japanese cartoon books, watching Korean soap operas and even celebrating Western holidays.
Standards in Finland have vastly improved in reading, math and science literacy over the past decade, in large part because its teachers are trusted to do whatever it takes to turn young lives around.