That nonsense post about tetrachromatism is going around again. Here’s a link to a “why that post is nonsense” essay someone posted two years ago as my tiny, futile effort to stop it!
Oh ok
That nonsense post about tetrachromatism is going around again. Here’s a link to a “why that post is nonsense” essay someone posted two years ago as my tiny, futile effort to stop it!
Oh ok