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Submission + - Study Claims Human Intelligence Peaked Two to Six Millennia Ago (independent.co.uk) 1

eldavojohn writes: Professor Gerald "Jerry" Crabtree of Stanford's Crabtree Laboratory published a paper (PDF warning) that has appeared in two parts in "Trends in Genetics." The paper opens with a very controversial suggestion, 'I would be willing to wager that if an average citizen from Athens of 1000 BC were to appear suddenly among us, he or she would be among the brightest and most intellectually alive of our colleagues and companions' and from there speculates we're on the decline of human intelligence and we have been for at least a couple millennia. His argument seems to suggest that agriculture and, following from that, cities have allowed us to break free of such environmental forces on competitive genetic mutations — a la Mike Judge's theory. However, the conclusion of the paper urges humans to keep calm and carry on as any attempt to fix this genetic trend would almost certainly be futile and disturbing.
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Study Claims Human Intelligence Peaked Two to Six Millennia Ago

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  • Of highly intelligent people, how many are in the upper 50th percentile for number of offspring? The distaste of smart people for large families is nothing new, nor is their ability to avoid or limit their number of dependents. Less intelligent people, though, have long tended to be poorer, less powerful, and more procreative.

The intelligence of any discussion diminishes with the square of the number of participants. -- Adam Walinsky