Word: detectable
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...approval before injecting elm trees with bacteria designed to combat Dutch elm disease. This week Clemson University scientists, mindful of public fears about the escape of dangerous microbes, will begin a potentially revolutionary, 18-month test of special blue bacteria that have been modified so that researchers can readily detect their presence in the environment...
...avid yachtsman, Hoyle has had a close view of environmental damage at sea. "The problem becomes vivid when you sail into an oil slick and have to spend several days cleaning up the boat." The impact of man-made substances on weather shifts is much harder to detect. "You can't see it, touch it or smell it," says Hoyle. "That is precisely what makes the scientific discovery process so important." And precisely what makes this week's cover story such a good detective yarn...
...scarred children, struggling with a new language and culture, often drop out of school. Further, the majority of Asian-American students do not reach the starry heights of the celebrated few, and an alarming number are pushing themselves to the emotional brink in their quest for excellence. Many also detect signs of resentment among non-Asians, an updated "yellow peril" fear. In particular, the country's best universities are accused of setting admissions quotas to restrict the numbers of Asian Americans on campus...
...which often have serious genetic defects. In any event, Sladek believes animal research on fetal tissue should continue for several more years before fetal-cell transplants are even attempted in humans. He and Redmond plan to treat monkeys and observe them for two to five years in order to detect any unexpected long-range effects. Still, Sladek is optimistic. Says he: "I just know it's going to work...
...gloomy. Abbott Laboratories has developed a new blood test that, because it directly indicates the presence of the AIDS virus, can immediately show infection. Current tests, because they detect only antibodies, may take weeks to months to indicate the presence of the virus...