- There's Evidence Humans Didn't Actually See The Colour Blue Until Modern Times https://www.sciencealert.com/humans-didn-t-even-see-the-colour-blue-until-modern-times-evidence-suggests?utm_source=feedburner&utm_medium=feed&utm_campaign=feed%3A+sciencealert-latestnews+%28sciencealert-latest%29 20 comments science
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