Why not? (Assuming you meant "genetically inherited intelligence" when you said IQ. Most will agree that Japanese schoolchildren get better education than Aus

Why not? (Assuming you meant "genetically inherited intelligence" when you said IQ. Most will agree that Japanese schoolchildren get better education than Australian Aborigines on average.) Japan was in stone age as late as 2000 years ago, which is ~2500 years after the Pyramid of Giza was built. Yet we don't see a wave of genius Egyptians now. Where are they?