What role might that substance have had in making it worse?
The researchers set out to find evidence that each generation is smarter than the previous, known as the ‘Flynn effect’ — but they found the opposite.
11 Saturday Mar 2023
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inWhat role might that substance have had in making it worse?
The researchers set out to find evidence that each generation is smarter than the previous, known as the ‘Flynn effect’ — but they found the opposite.