27 Facts About Red


Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet.

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Red pigment made from ochre was one of the first colors used in prehistoric art.

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Red became a symbolic color of communism and socialism; Soviet Russia adopted a red flag following the Bolshevik Revolution in 1917, until the breakup of the Soviet Union in 1993.

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Red light is used to help adapt night vision in low-light or night time, as the rod cells in the human eye are not sensitive to red.

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Red lead, known as minium, has been used since the time of the ancient Greeks.

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Red meat gets its color from the iron found in the myoglobin and hemoglobin in the muscles and residual blood.

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Red hair appears in people with two copies of a recessive gene on chromosome 16 which causes a mutation in the MC1R protein.

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Red is associated with dominance in a number of animal species.

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Red can affect the perception of dominance by others, leading to significant differences in mortality, reproductive success and parental investment between individuals displaying red and those not.

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Red dye called Kermes was made beginning in the Neolithic Period by drying and then crushing the bodies of the females of a tiny scale insect in the genus Kermes, primarily Kermes vermilio.

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Red was used to color statues and the skin of gladiators.

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Red was the color associated with army; Roman soldiers wore red tunics, and officers wore a cloak called a paludamentum which, depending upon the quality of the dye, could be crimson, scarlet or purple.

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Robert Gibb's 1881 painting, The Thin Red Line, depicting The Thin Red Line at the Battle of Balaclava, when a line of the Scottish Highland infantry repulsed a Russian cavalry charge.

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Red is the traditional color of warning and danger, and is therefore often used on flags.

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Red is the international color of stop signs and stop lights on highways and intersections.

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Red stands out more clearly against a cool natural backdrop of blue sky, green trees or gray buildings.

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Red is the color of a severe terrorist threat level in the United States, under the Homeland Security Advisory System.

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Red is used in modern fashion much as it was used in Medieval painting; to attract the eyes of the viewer to the person who is supposed to be the center of attention.

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Red was long seen as having a dark side, particularly in Christian theology.

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Red'set music for "At the Devil's Ball", by Irving Berlin, United States, 1915.

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Red lipstick has been worn by women as a cosmetic since ancient times.

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Red Serge is the uniform of the Royal Canadian Mounted Police, created in 1873 as the North-West Mounted Police, and given its present name in 1920.

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Red is the most common color found in national flags, found on the flags of 77 percent of the 210 countries listed as independent in 2016; far ahead of white; green (40 percent) and blue (37 percent).

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Red flags are used to symbolize storms, bad water conditions, and many other dangers.

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Red became the color of many social democratic parties in Europe, including the Labour Party in Britain; the Social Democratic Party of Germany (whose roots went back to 1863) and the French Socialist Party, which dated back under different names, to 1879.

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Red is used around the world by political parties of the left or center-left.

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The Red Hat Society is a social group founded in 1998 for women 50 and over.

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