Word: alaska
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Dates: during 1930-1939
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Gifts from many sources included rare plants from tropical Africa, China, Alaska, Cuba, Italy, Philippine Islands, Crete, Mexico, Puerto Rico, and various parts of Canada and continental United States. Field expeditions gathered specimens in Louisiana, North Carolina, Kentucky, Virginia and Dominica, and thousands of other specimens were acquired by purchase or exchange throughout the world...
...hinterland which had been frantically prepared during 18 months of war. The new "New China" is composed of the provinces of Yunnan, Kwangsi, Kweichow, Szechuan, Kangsu, Sikang, Tsinghai, and the Chinese Communist-held province of Shensi-places which two years ago seemed to most Chinese as remote as Alaska is to New Yorkers...
...Eskimos, those scientifically invaluable little people, have long been pointed to as having fine teeth simply because they shunned the mushy diet of our milk-toast civilization. Last week Columbia University Bacteriologist Theodor Rosebury, who has been to Alaska himself, disputed this standard theory of dental decay. According to his investigations, reported at a medico-dental session of the Greater New York Dental Meeting, previous theorists had been drawing the wrong conclusions from Eskimos...
Before his trip to Alaska he had observed that many rats fed on coarsely-ground raw rice and corn developed tooth decay; but over 200 rats which had been fed soft, cooked cereals had perfect teeth. He set out to find foods in the human dietary which would correspond to the coarse corn and rice...
...Eskimos at Kepnuk, Alaska, found Dr. Rosebury, eat little besides fish and seal meat which are soft and rich in fats and proteins. They have no tooth decay. The Eskimos at Eek vary their fish and seal diet with hardtack. Many of them have decayed teeth. Dr. Rosebury became convinced that in hardtack he had found a food analogous to the coarse corn and rice. On his return to Columbia, he and his collaborators, Maxwell Karshan and Genevieve Foley, set to work feeding hardtack to more than a hundred rats, soon produced decayed teeth in many of them...