In normal language: smarter people are better at stereotyping and use them rationally to enhance perception of people. Author's version "the darker side of cognitive ability" 
https://www.ncbi.nlm.nih.gov/pubmed/28726438 pic.twitter.com/Wr0LTWTNZU
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On a tangential note, is $11.95 really optimium pricing? I’d pay $1, if I could buy it easily like an app.pic.twitter.com/hL8m2XwCxa
You don't need to buy articles. Just use Sci hub like normal people. In fact, you should not pay for articles, as the money goes straight to counter-productive and quite evil corporations.
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