Word: tracing
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...unexpected harshness of the Supreme Court decision in the case of the CIA spy who told suggests a court much preoccupied with leaks. Some critics trace this concern to the Justices' embarrassment over their own private doings as set forth in the bestselling book The Brethren and to the anticipated candor of the late Justice Douglas' forthcoming memoirs (see LAW). But the problem of leaks, and the damage they may inflict, is a real one. It has much to do with the kind of society we have become...
...more down-to-earth explanation. After six years of investigation, researchers at the Institute of Geochemistry and Mineral Physics in Kiev have concluded that the blast was caused by something less exotic: a meteorite. Many scientists in the past refused to accept the meteorite theory because there is no trace of any impact crater at the center of the destruction, in the isolated Tunguska area, about 950 km (590 miles) north of Irkutsk...
...added evidence that the diamonds arrived in a meteorite, Sobotovich cited their level of carbon 14, a radioactive isotope of carbon found in meteorites that have been subjected to prolonged bombardment by cosmic rays in space. University of Chicago Geochemist Edward Anders cautions that even a trace of unburnt peat could produce a high reading of carbon 14. But, based on these levels, the Soviets calculate that the meteorite must have weighed at least 4,000 tons...
That question has also been asked by FBI agents, ever since D.B. Cooper hijacked a Boeing 727 in 1971, extorted $200,000 and four parachutes from Northwest Airlines, and bailed out at 7,000 ft. over rolling wooded hills near La Center in the state of Washington. No trace was ever found of the ransom or Cooper, who soon became a local folk hero...
...their southern borders, stretching from Turkey to a now unstable Iran to a potentially unstable Afghanistan (though, prior to the invasion, it already had a Marxist government which came to power through a coup d'etat in 1978) and to an openly hostile China. Some experts, therefore, clearly trace this invasion to Soviet concerns for their southeastern borders and the increasing belligerence with their Chinese neighbors. While Soviet officials proclaim their belief that in the long run Afghanistan must be non-aligned and neutral, they do not give a convincing timetable on their intended withdrawal of troops, and, indeed, they...