TIL that some women can have a genetic mutation which causes them to gain a 4th color-vision cone in their eyes, allowing them to see millions of more colors. The last two sentences kill me. [Xpost from /r/todayilearned] Glamdryne June 17, 2013 0 upvotes /r/MensRights http://www.huffingtonpost.com/2012/06/27/tetrachromatic-super-vision-women-100-million-colors_n_1631480.html
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