Word: desilva
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Dates: during 1940-1949
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...past month, Drs. Harry Reginald DeSilva of Yale and Walter Richard Miles of the National Research Council have tested over 4,000 men for Army truck-driving jobs. After noticing that the Negroes seemed to have a keener night vision, Dr. Miles picked at random seven white and eight Negro soldiers, lined them up in a field on a dark night. Then he walked to a point 100 feet away, held up a stick with a square of white cardboard on each end. The soldiers were asked whether the stick was horizontal or vertical...
Every Negro could tell; but nary a one of the whites-most of them had to get within 50 feet of the stick before they could make it out. Said Dr. DeSilva: "We never even suspected this phenomenon before. . . This may lead us to conclusions never before dreamed of. It may result in changes in our military setup on land...