Word: proof
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Dates: during 1990-1999
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Conclusive proof of a link between betacarotene and cancer, says Hennekens, will comeabout only through the completion of a large-scalecomparison like the Physicians Health Trial, inwhich researchers carefully isolate the effect ofbeta carotene from all other substances with whichit naturally occurs...
Some legal scholars point to a recent reversal in civil rights legislation, which puts the burden of proof in discrimination suits on the plaintiff, as a major reason that the students will face an uphill battle...
That was the arithmetic of victory, but measuring the impact of the contest itself is less clear cut. Heseltine's challenge was only the latest proof of Thatcher's declining fortunes as her third term nears its end. She can lose even by winning. In last year's leadership ballot, 60 M.P.s voted against her or abstained. This time, Heseltine's supporters claim he will top 100, which would be a major blow to her authority. As the Times of London put it last week, "The country needs to know whether Mrs. Thatcher does or does not retain sufficient party...
...North Koreans, however, the ranks of modern towers are a source of pride, concrete proof of how much they have achieved since they began rebuilding their country from the rubble of the Korean War. "New York, Paris, are better than us, more beautiful," concedes a government guide. "But 40 years ago, New York, Paris, were the same." The nation "so rich in silver and in gold," as its national anthem proclaims, has enough resources to build $500 million stadiums, but its citizens must get by on about $50 a month. "These people have hard currency -- they are not so hopeless...
...elected he will ask Leszek Balcerowicz, the Finance Minister and architect of the austerity measures that are at the center of Poland's economic-reform plan, to be the next Prime Minister. Some Poles view that as a welcome promise of continuity in economic policy; others see it as proof that Walesa's campaign is inspired more by personal ambition than the desire to make significant changes in the Mazowiecki government's policies...