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Show WORTH KNOWING Children from sanitary homes td-vance td-vance more rapidly in school than those from dirty premises. Quicksilver is 13 times heavier than water. Every square mile of sea is estimated esti-mated to contain about 120,000,000 fish. The 12 countries having the least blindness are as follows: Belgium (before the war) had 43 blind persons to every 100,000 of the population; Canada, 44; Netherlands, 46; Saxony. 47; New Zealand, 47; Western Australia, Aus-tralia, 50; Hongkong, 51; Prussia, 52; Denmark, 52; Germany, 60; New South Wales, 60, and the United States, 62. Except that of China, San Marino-has Marino-has the longest national hymn. Extensive asphalt beds have been uncovered in Honduras. The United States public hearth service has trapped 615,744 rodents in New Orleans In the past 18 months. The failure of the mortality rates of measles and whooping cough to show a reduction during the last IS years is due to the fact that they are highly communicable In their early stage, when diagnosis Is most difficult. An induction balance has been devised de-vised for the purpose of locating buried shells in the Boil of the former battlefield, so that the farmer may go-over go-over it safely with the plow. |