(www.popularmechanics.com)

256 points hirundo | 1 comments | 10 Apr 23 13:00 UTC | HN request time: 0.205s | source

1. graycat ◴[10 Apr 23 22:22 UTC] No.35518101[source]▶

> "... with many attributing the change to various environmental factors."

How 'bout social factors?

American IQ scores have rapidly dropped, proving the 'Reverse Flynn effect'