"without a word for a color... identifying it as different, it's much harder for us to notice what's unique about it" http://www.msn.com/en-us/news/technology/no-one-could-see-the-color-blue-until-modern-times/ar-BBi3GwP …
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"without a word for a color... identifying it as different, it's much harder for us to notice what's unique about it" http://www.msn.com/en-us/news/technology/no-one-could-see-the-color-blue-until-modern-times/ar-BBi3GwP …