James Flynn is not the sort of man to go quietly into retirement. A professor emeritus at the University of Otago in New Zealand, he still teaches and researches energetically at 73. He speaks on finance and tax for the left-of-centre Alliance Party. He has a book in preparation that will be his own last word on the relation between race and IQ. In autumn he was touring the world talking about the earlier book in which he sets out his explanation for a mysterious phenomenon that bears his name: the rise in IQ from generation to generation. Your IQ is likely to be higher than those of your parents, and your children's IQs is likely to be higher than yours.