Word: expressions
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Dates: during 1990-1999
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Wilson's hiring marks the first conscious turn toward social activism. But some express doubt about exactly how much influence this small, young, humanities-focused department can wield...
...problem is that the altered viruses do not always seek out the target cells and sometimes insert themselves in the wrong place in the cellular DNA. Then too, once in place, the new genes sometimes fail to express themselves. "There are still a few walls to get over," Anderson concedes. He points out that in the initial trial, viruses used for cystic fibrosis, for example, produced an inflammatory response: "So the trials were halted, and another generation of viral vectors was developed. Now we're going to restart the clinical trials with these new-generation vectors," which he thinks will...
...concern that both doctors and patients express about ICSI is that by fertilizing eggs with sperm that cannot make their own way naturally, the procedure might preserve defective sperm cells that nature would have eliminated. Men with low sperm counts may also have a higher incidence of chromosomal abnormalities and may be at higher risk of passing on genetic defects. But clinical studies so far provide no evidence to support these fears. Belgian scientists have examined a thousand babies born as a result of the technique and found no higher rate of birth defects than in the general population. Nonetheless...
...willing he is to pin blame on students. Since Lewis himself admitted to having no evidence against the students, his actions were both immature and counterproductive. We would expect the Dean of Harvard College, when faced with such a situation, to privately contact the three students in question and express his concerns to them without bitterly assigning blame. All Lewis has accomplished by acting in this manner is to further convince the student body that he holds them in contempt to a degree most of us usually reserve for people who have done us some grievous wrong in the past...
...Some of the delegates and representatives are like, 'They're just kids,'" said Dodge, a reporter for Children's Express, a non-profit organization in which teenagers write news...