Word: randomizes
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Dates: during 1980-1989
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...group, Islamic Jihad (Holy War), apparently exists solely as a disembodied and anonymous telephone identification. It has no known central leadership or defined membership; it is essentially a label or tag used by various Shi'ite terrorists to claim responsibility for many of the bombings, kidnapings and acts of random violence over the past two years...
...crack down on drug use by players, has talked of refurbishing baseball's "family image," a polite way of saying that something must be done about a new type of fan turning up at ball parks: the loutish young male who sloshes beer on other fans, starts fistfights at random and hurls objects from the stands. The Pittsburgh Pirates have set aside "family sections," where no beer is allowed. The Seattle Mariners have 3,500 family seats at the Kingdome...
...choice of Faculty delegates to the committee is not so random, however. Every year, the dean of the Faculty and the Faculty Council propose a slate of CRR nominees to the full Faculty which must approve the list before committee members are seated...
Whether these catastrophic impacts are random or cyclic remains to be seen. But if they occur at all, they could shake the foundations of evolutionary biology and call into question the current concept of natural selection. Should the Alvarez theory be correct, says Harvard Paleontologist Stephen Jay Gould, the importance of competition between species diminishes. If every so often a megablast opens up a broad array of ecological niches, then new creatures can flourish without having to crowd out the old. "If you ask the question, 'Why are we here?' " says Gould, "the answer is, 'Because the dinosaurs disappeared...
...great force--further evidence of a major collision. Yet investigators continued to regard the findings from the two time periods as being no more related than, say, separate automobile accidents in Des Moines and Miami. Explains Walter Alvarez: "It seemed to everybody involved that extinctions and impacts should be random in time...