From the article: "They are also brainier than any previous generation. Average scores on intelligence tests have been rising for decades in many countries, th

From the article: "They are also brainier than any previous generation. Average scores on intelligence tests have been rising for decades in many countries, thanks to better nutrition and mass education." Is this true? From what I've read on the Flynn effect[0], these are only possible explanations. 0. https://en.wikipedia.org/wiki/Flynn_effect#Proposed_explanations https://en.wikipedia.org/wiki/Flynn_effect#Proposed_explanat...