Word: strains
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Dates: during 1950-1959
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...York City was lifted out of cultural isolation yesterday as 10,000 copies of the CRIMSON were distributed to relieve the strain of the six-day-old newspaper strike...
...cannot continue," wrote 67-year-old Premier David Ben-Gurion last week. "I cannot bear up any more against the mental strain that I suffer in the government . . . For six years I have been working in a state of high tension . . . Mine is no ordinary tiredness." The Mapai Party's central committee heard his letter read in silence, then his comrades begged him to reconsider. But B-G sat still and unmoving. A woman rose; she had lost two sons in the war to establish Israel. "If I gave my sons to the nation," she demanded...
...Panmunjom, the Communist explainers screened some 500 P.W.s in less than four hours. Last week they took eight hours to screen 136. This was the long-expected Communist move to sabotage the explanations that were costing them so much face in Asia. The go-slow tactics imposed a new strain on the P.W.s, but they did not seem to be swayed. Of the first 136, only two chose to go back to Communism...
...biochemists at the University of California, Drs. Howard L. Bachrach and Carleton E. Schwerdt, did it the hard way.'They grew polio virus of the Type II or Lansing strain in the nerve tissues of rats, and got the concentration up to about 10%. This preparation contained particles of two sizes, some a millionth of an inch in diameter, the others less than half as big. The researchers separated the two kinds in an ultracentrifuge. then they injected the materials into different groups of rats. Only the animals that received the millionth-of-an-inch particles caught polio. That...
...Detroit laboratories of Parke, Davis & Co., a research team headed by Virologist Alton R. Taylor started by growing polio virus of the Type I or Brunhilde strain in test tubes with tissues from animals. The company is not telling how the purification was achieved, and its photograph shows particles of different sizes...