Word: dose
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While most of these reports involve heavy doses of chemicals, evidence from laboratory studies suggests there are also effects at lower concentrations. Endocrinologist David Crews has discovered, for example, that small PCB doses can dramatically influence the ratio of male to female offspring in red-eared slider turtles. When University of Wisconsin toxicologist Richard Peterson investigated the impact of dioxin on male rats, he found that the dose needed to cause reproductive-system problems was relatively high. "But when we exposed pregnant rats to a dose 1/100th as large," he says, "we found the male offspring showed signs of reproductive...
...People with viral infections sometimes demand antibiotics, even though the drugs are useless against viruses. This, too, weeds out whatever susceptible bacteria are lurking in their bodies and promotes the growth of their hardier brethren. In many countries, antibiotics are available over the counter, which lets patients diagnose and dose themselves, often inappropriately. And high-tech farmers have learned that mixing low doses of antibiotics into cattle feed makes the animals grow larger. (Reason: energy they would otherwise put into fighting infections goes | into gaining weight instead.) Bacteria in the cattle become resistant to the drugs, and when people drink...
Simpson's hospital visit was a sharp dose of reality in what has otherwise been a month of rumors, innuendo and wild theories. While any good criminal- defense team is expected to do its best to create reasonable doubt about its client's alleged guilt, what makes the Simpson squad stand out is the lengths to which it tries to use the media to mount its counteroffensive. Lead attorney Robert Shapiro may be the master spinner, but he counts on a formidable team of private investigators to dig up information that will help his case. Heading this team...
With a poisonous dose of theatrical hooliganism, the Havard-Radcliffe Summer Theater's "Largo Desolate" achieves fluency with Havel, if not with Havel's Kafka. While the stage antics often supersede the play's riveting psychological uncertainy, this intelligent and riotously satiric production, directed by Brad Rouse, articulates much of the literary intensity with which Havel composed Largo in only four days...
...introspective bent than one might expect from the composer of such flashy showpieces as Le streghe and the first violin concerto, both touchstones of technical facility. But, those looking for violinist pyrotechnics certainly will not be disappointed--Shaham has ample opportunity to flex his violinist technique, and he dose so impressively, yet tastefully...