Word: occurance
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Dates: during 1990-1999
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...unusual case, why it couldn't happen in their community. But the exception to the rule has become exceptionally common. The National Education Association estimates that every day 100,000 students carry a gun to class; another study reports that 13% of all incidents involving guns in the schools occur in elementary and preschools. This month the Los Angeles school district will initiate spot checks with portable metal detectors in many of its schools...
...seems that the only time there is tension is when a controversial speaker is invited. If tension occurs because of speakers like Leonard Jeffries (who spoke last year) and relations occur because of speakers like Jesse Jackson, I think that's very superficial," he said
...Crimson, the Russian guard was found out of uniform eight times and sleeping on duty at least once during more than five years on the job. Henaghan was the supervisor involved in six of those infractions. The guard has said that some of the alleged infractions did not occur...
...four Black women who accused Schulman of racism say they are considering what further action they will take. But real change at the Law Review may occur from within...
Could such mass extinctions happen again? Astronomers have no doubt; the solar system is littered with flying debris, and they say it is only a matter of time before another large celestial object bears down on Earth. Reminders of that potential for disaster occur frequently. Early in January, for example, NASA released several radar images of the 6.4-km-long (4-mile) dumbbell-shaped asteroid Toutatis taken when it sped within 3.5 million km (2.2 million miles) of Earth -- a hairbreadth by astronomical standards. And while the warning that the 10-km-wide (6-mile) Comet Swift-Tuttle might slam...