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Historically, the depletion of soil's nitrogen has been one of the most _____________ problems faced by farmers: an essential nutrient, nitrogen is quickly leached from soil, and farmers have struggled to find ways to replenish it.
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Although the courts have _____________ an extremely flexible test for determining the admissibility of expert testimony, that does not mean that all experts will be allowed to testify.
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Drug companies rarely pursue new pharmacotherapies for rare diseases because of the high failure rates and the cost of research, which make the companies' chances of recovering their investments ______.
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This is neither praise nor criticism, neither a compliment nor _____________, just an observation.
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The kilt has certainly had (i) _____________ history, outlawed as it was by Britain in 1746 as an emblem of nationalist subversion, then more recently (ii) _____________ from men's to women's apparel in a 2003 European Union survey, and ridiculed at various times for a wide variety of reasons.
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The genius of the scientific method is that it (i) _____________ the dictum of Aristotle that the goal of science is knowledge of the ultimate cause of things. True science, we now know, advances human knowledge by (ii) _____________ ultimate cause and focusing instead on the testing of empirical hypotheses.
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She may have been (i) _____________ when she was finance minister, fighting deficits, but now as prime minister she is marked by her (ii) _____________.
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If a figure such as the editor and writer Pauline Hopkins presents (i) _____________ challenges to a would-be biographer because of her confounding periods of silence, largely unknown personal life, and (ii) _____________ papers, the problems posed by John Edward Bruce are of the opposite kind: he published (iii) _____________ throughout his life, had an extensive correspondence, and left a huge trove of materials at his death.
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We wallow in bad news, tales of how things went wrong, but we have only the most _____________ discussions regarding how they might go right.
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Scientists are finding that the adult brain is for more _____________ than they once thought: our behavior and environment can cause substantial rewiring of the brain or a reorganization of its functions and where they are located.
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Though it once seemed so disastrous, with hindsight the disintegration of the artists" collective is revealed as generative, for each of the dispersed factions acted as a _____________, reproducing the collective's founding inspiration in a new setting.
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Sports stars are often _____________ figures, regarded as representative of the city or country for which they compete.
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To write convincing fiction about the tedium of ordinary life may be one of the hardest challenges facing a novelist, who must find a way to engage the reader despite a focus on _____________ events.
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While early biographies of Florence Nightingale tended to be quite _____________, Lytton Strachey's irreverent 1918 essay about her ushered in a new era, making it acceptable, even fashionable, to criticize her.
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He was never (i) _____________: he was nothing if not (ii) _____________, so he forbore for the present to declare his passion.
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During Nigeria's colonial period, the country's Igbo societies had (i) _____________ sense of gender distinctions, but the idea of a strict division of labor along gender lines (ii)_____________. Indeed, the social roles of women and men were quite (iii)_____________, based on what people did rather than on existential categories like gender.
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The tape recorder is to blame for the (i) _____________ of the interview and has thus had a (ii) _____________ effect on journalism. The possibility of verbatim reproduction has fostered the illusion that the voice of truth is that of the interviewee rather than the more critically detached voice belonging to the journalist. Maybe journalists should return to the lowly notebook, which allows them to (iii) _____________ while listening, relegating the tape recorder to its real role of invaluable witness.
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The traditional set of nine planets could have been retained by defining a planet as any object that has the unique combination of characteristics of any one of the nine objects that were considered planets in the late twentieth century. That definition would not be (i) _____________; that is, it does not contradict the evidence. Its (ii) _____________, however, renders it less (iii) _____________ than definitions based on astronomical criteria, such as orbit, size, and gravitation.
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A single, cheap tablet combining a range of drugs that protect against heart disease was _____________ years ago, but pharmaceutical companies were reluctant to undertake the project because it failed to provide sufficient financial incentive.
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Although the claim that no one knows what dark matter is remains _____________, some scientists dispute the parallel assertion that dark matter has not been detected.
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