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Centuries ago, monks who took a vow of silence developed their own hand signs, with hundreds of gestures, that are still in use today. Plus, how do speakers of different languages distinguish similar shades and tints of colors such as red, yellow...
How do we agree on how to name shades and tints of colors? A famous study in the 1960s, Basic Color Terms: Their Universality and Evolution (Bookshop|Amazon by Brent Berlin and Paul Kay found that if a language had only two color terms, they were...