Word: prevented
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Dates: during 1990-1999
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...when relations with Boston were fraught with tension. Relations had gone downhill in 1997, when the University announced that it had secretly purchased 52.6 acres in Allston. Working through a Boston real estate developer, Harvard bought $88 million worth of land over nine years, concealing its real identity to prevent sellers from overcharging the wealthy University...
...will be up to UN peacekeepers to prevent East Timor from slipping further into anarchy. Australia, Indonesia's neighbor and one of the nations most actively pushing for a peacekeeping force, has said it can send 2,500 troops into East Timor. Several other Pacific countries, including Cambodia, Malaysia, the Philippines, Singapore and Thailand, also have volunteered for the peacekeeping mission...
Vaccines, of course, aren't without risk. A slight possibility always exists that those containing live but weakened viruses--oral polio, measles and mumps vaccines, for example--could trigger the disease they're intended to prevent. And a few vaccines originally thought to be safe have caused side effects so severe in a small percentage of inoculated children that they've had to be modified or temporarily withdrawn...
...Doctors can screen fetuses for genetic diseases like cystic fibrosis and Duchenne muscular dystrophy; one day they may be able to treat them in utero. But correcting is one thing, perfecting is another. If doctors can someday tinker with a gene to help children with autism, what's to prevent them from tinkering with other genes to make "normal" children smarter? Technology always adapts to demand; prenatal sex-selection tests designed to weed out inherited diseases that strike one gender or the other--hemophilia, for instance--are being used to help families have the son or daughter they always wanted...
...about the important discoveries that have been made in the past several years. Scientists are valiantly attempting to shine a flashlight down the long, dark tunnel of man's ancient past, and they have succeeded in illuminating certain truths. Shame on those who are allowing ignorance and fear to prevent students from having the chance to understand their place in the great chain of human evolution--for it is nothing short of miraculous. KRISTINA OLBERDING Cincinnati, Ohio...