Why our IQ levels are higher than our grandparents' | James Flynn
Watch video Why our IQ levels are higher than our grandparents' | James Flynn online, duration 18 minute 41 second in high hd quality that is uploaded to the channel TED 26 September 2013. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 3 million times and liked it 50 thousand visitors.
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