Word: prior
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Dates: during 1960-1969
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After twelve years of fluoridation, 12-to-14-year-old children in Evanston, III., show an average reduction in caries of 51% as compared to children of comparable ages in the base period prior to fluoridation. The greatest benefit has been obtained by twelve-year-olds who have now had a "lifetime" of exposure to fluoride-nearly 13 times as many children were free of caries as their base-line controls were...
...black, 50-ft. long, stub-winged plane left Edwards Air Force Base tucked under the right wing of a B-52. Somewhere over the just-awakening revelry of Las Vegas, at 45,000 ft., Walker and -55 Pilot Fitzhugh Fulton began their countdown prior to dropping the X-15 for its flight. Midway in the countdown, Walker interrupted by radio: "We've lost our liquid-nitrogen cooler. My mixing chamber quit." Without the cooler both his special flight suit and his cockpit would turn into bake ovens in the searing, supersonic flight to come. As the mother plane circled...
...activity prior to the conference, a Committee for an Effective Peace Corps has been formed by about 50 delegates to "make sure certain safeguards" are included in any prospective legislation. Howard J. Phillips '62, Harvard delegate to the Conference and leader of the committee, cited security checks, a clarification of the legal status of students when they go abroad, and "a program designed to serve the interests of the U.S. in improving the standards of other countries" as the most important proposals his group would make...
Chin-ups & Blivits. Like all other SAC operations, the airborne alert routine is fenced by narrow restrictions and standardized procedures. Briefing is held a week prior to scheduled takeoff. On take-off day, other crews run through the three-hour preflight checks on the alert bomber to lessen the fatigue of the crew going on duty. Take-offs are scheduled for around 10 a.m. to allow for a full night's sleep. (The crewmen's physical condition is attested by the fact that they must be able to run a reasonably fast 250-yd. dash and perform five...
...Culture Ministry, Bandmaster Leonid Utesov made it almost official: ''Jazz is not a synonym for imperialism, and the saxophone is not a product of colonialism." There is no reason why the Soviet Union should consider jazz decadent and bourgeois, said Utesov. "Socalled Dixieland existed in Odessa prior to New Orleans...