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A comment on Tetrachromats: people who see colors invisible to most of us (2014). Parent comment

Re:Tetrachromats: people who see colors invisible to most of... by jsharf on Sunday November 17, 2019 @11:42AM (#21558666)
It seems like this one is really easy to test, like via the clothing example the top comment mentioned -- just see if the person can reliably differentiate between them
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