Word: celling
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Dates: during 1990-1999
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There of the 34 workers studied showed "probably significant" fluctuations in white blood cell count and were "advised to stop work with radiation" as a result of the study...
...Some persons have an unstable bone marrow as shown by marked fluctuations in white cell counts when subjected to only minor exposure to radiation," the study concludes. "Such persons should not work where they are exposed to radiation...
...Warren's cyclotron experiments, most of the workers showed no significant changes in health due to their exposure to radiation. Four showed minor variations in white blood cell count because of the radiation, according to Warren's published results...
...Harding herself was involved, surely it must have occurred to her that she risked sitting out the Olympics in a jail cell. Indeed, last week Claire Ferguson, president of the U.S. Figure Skating Association, said that the case "may be a rolling stone that rolls right over her." While Ferguson said that evidence of Harding's involvement had not emerged, she said her chances of being at the Games were "looking pretty grim." Simply having had a suspect in her employ may mean Harding's ouster...
...hardest part of all these efforts is getting the right genes into the cells that need them. Generally, the genes must be carried by some sort of delivery vehicle, which scientists call a vector. For its vector, Anderson's team used an infectious agent known as a retrovirus -- a specialized virus containing RNA (a single-strand cousin of DNA) that has a knack for finding its way to a cell's genome and making itself at home. Retroviruses can be dangerous (HIV is the most notorious), but scientists have ways of altering them so that they don't cause disease...