Word: use
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Dates: during 1980-1989
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...cosmic fingerprints -- emission lines with sharp features characteristic of hydrogen and carbon. In distant galaxies, these lines occur at much redder wavelengths than those emitted by the same elements on earth; this so-called red shift, believed to be caused by the expansion of the universe, is what astronomers use to measure distance...
...which had been previously tested in mice and monkeys, marks the beginning of a promising new era in drug development. Scientists have traditionally stumbled onto treatments by testing existing substances for their therapeutic effects, as was the case with AZT, the only AIDS drug approved for widespread use by the Food and Drug Administration. But recent advances in the field of molecular biology have given researchers a clearer understanding of the most minute workings of the cell. This has enabled them to engineer structures that can disrupt the cycle of a disease at the molecular level...
AIDS sufferers and their support groups have reacted enthusiastically to CD4, but researchers strongly caution against premature euphoria. Says Ronald Mitsuyasu, associate director of UCLA's AIDS Clinical Research Center: "In the test tube, a lot of these drugs look like they inhibit the virus 100%, but when you use them on patients in a clinic it's a different story...
Although it may sound too simple a way to label an entire enthnic group, the word "brown" has imbedded itself into political language. Politicians talk of equality for all Americans, whether they be white, Black, yellow, red or brown. It's a type of political rhetoric politicians love to use. It's a type of political rhetoric the American public loves to hear...
They could point to the fact that Bush will use his son Jeb's family, who are all bilingual, to attract the Hispanic vote. Bush has created a liasion between himself and the nation's Hispanics, through his grandchildren and his daughter-in-law. He could not talk to them directly since he doesn't know Spanish, so he will use other members of his family to relay his message...