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When did our IQs start rising every year?
The Industrial Revolution (the advent of new manufacturing processes that began in the middle of the 18th century) needed an educated workforce and created more intellectually-demanding jobs: just two factors that triggered a constant rise in IQs. Jim Flynn, Emeritus Professor of Political Studies at the University of Otago in Dunedin, New Zealand, explains.
Image: Young woman writing on a board Credit: Thinkstock
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