Word: acidity
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Dates: during 1940-1949
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...Foundation announced a new campaign against Lactobacillus and a three-year program to test it. The new weapon is a tooth powder containing dibasic ammonium phosphate and urea (a synthetic nitrogen compound). The powder is supposed to break down tooth film, slow down growth of bacteria and neutralize the acid created by Lactobacillus. In preliminary experiments, the foundation claims, it has reduced decay as much...
...stood for Arthur Sears Henning, the Trib's softspoken, acid-penned Washington bureau chief. He had been in Washington since 1909 and had seemed as permanent as the Washington Monument. But six years ago, ailing Correspondent Henning had turned over the actual running of the Trib's eleven-man bureau to pudgy, bouncing Walter Trohan, 46. Last week, at 72, Henning turned over the title of bureau chief as well...
...criteria," says 40-year-old Artist Osbert Lancaster, the urbanely acid political cartoonist of London's Daily Express, "remain firmly Anglo-Saxon . . . [My] standards of judgment are always those of an Anglican graduate of Oxford with a taste for architecture, turned cartoonist, approaching middle age and living in Kensington...
After trying "more things than you can shake a stick at," Drs. Atlas and Hottle found that tryptophane (an amino acid) and perchloric acid changed the color of a solution if the virus was present. The color deepened from pinkish brown to dark brown according to the quantity of virus present; if there was no virus, the solution stayed clear. The exact strength of the virus can be fixed by using a spectrophotometer, which measures color by comparing it with a standard. The researchers have been able to make as many as 112 tests a day; normally they...
...From England came the apocalyptic chants of Edith Sitwell, who had journeyed a long way from her early preciosities. Her Song of the Cold contained some good war poetry. (It was a year in which America became Sitwell conscious, and the touring Sitwells discovered America. Osbert Sitwell sketched an acid portrait of his delightfully eccentric father in Laughter in the Next Room; Sacheverell, youngest of the literary family, celebrated the minor arts of peace in The Hunters and the Hunted...