最近发表在《国家科学院院刊》上的一项新研究对这一乐观前景提出了挑战。
A new study, just published in the Proceedings of the National Academy of Sciences challenges the rosy picture.
在最近的一项研究中，斯蒂芬·桑德斯·韦伯对这一观点提出了严峻的挑战。
In a recent study, Stephen Saunders Webb has presented a formidable challenge to this view.
科学家首次提出这个问题是在20世纪90年代中期。当时，研究人员偶然发现一种化学药剂，这种药剂在啮齿动物身上似乎可以发挥和热量限制相同的正面效果。
Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.
在旧金山的探索博物馆，我们最近研究了学习提出好的问题如何影响人们科学研究的质量。
At the Exploratorium in San Francisco, we recently studied how learning to ask good questions can affect the quality of people's scientific inquiry.
它基于由苏珊·格雷提出的概念。苏珊·格雷在范德堡大学皮博迪学院工作，是早期儿童教育研究领域的传奇先驱。
It was based on concepts developed at Vanderbilt University's Peabody College by Susan Gray, the legendary pioneer in early childhood education research.
赖希-夏皮罗和其他研究人员提出了一些建议，以增加男性在该领域的代表性。
Reich-Shapiro and fellow researchers made several recommendations to increase male representation in the field.
研究小组在调查的基础上写了两份报告，但是都没能提出任何有用的建议。
The research group produced two reports based on the survey, but neither contained any useful suggestions.
这一研究在今天的美国化学学会全国会议上被提出。
The research was presented today at the national meeting of the American Chemical Society.
美国俄亥俄州立大学的研究团队通过研究小鼠在不同生活环境中所受到的影响，提出了他们的理论。
The research team from Ohio State University came up with their theory by studying the effects of various living environments on mice.
这个研究报告在美国社会学协会第100次年会上提出。
The study was presented at the American Sociological Association's 100th Annual Meeting.
但新的研究提出关于男性和女性在一段感情中有感觉到多少安全感的问题仍然有很多事情要做。
But the new research suggests it is much more to do with how secure men and women feel in relationships.
在研究存储库的时候，请格外关注该研究第1.3节中所提出的问题。
As you research your repository, pay close attention to the questions posed in Section 1.3 of the study.
有的专家在总结前人大量研究文献中的重要论点基础上，提出了IQ对个人生活状况的影响模式。
Some experts have tried to synthesize the many lines of research that document the influence of IQ on life outcomes.
Berger在今年早些时候刊出的一项研究中提出人们投票的地点会影响他们怎么投票。
Berger published a study earlier this year showing that where people vote affects how they vote.
该研究项目是在美国化学学会的一次会议上提出的。
The research was presented at a meeting of the American Chemical Society.
一些研究人员提出，大脑在快速动眼睡眠期会产生并巩固形成记忆和认知的神经元。
Some researchers theorize that the REM, or rapid eye movement, phase of sleep is when the brain produces and consolidates neural networks for memory and cognition.
因此，该项研究提出了一个有争议的问题：在成功的育儿实践中，男性是否有存在的必要。
The study therefore raises the controversial question of whether men are necessary at all for successful parenting.
一些研究者提出，图迈在关系上更接近黑猩猩或大猩猩。
Some researchers have proposed that Toumai is more closely related to chimpanzees or gorillas.
但他补充道，研究人员需要更多的证据，在提出他们关于月球形成的完全不同的理论之前，来证明在其他岩石所测定的形成时间是不准确的。
But, he added, the researchers need much more evidence that other rocks have been inaccurately dated before they jump to radically different theories about the moon's formation.
科学家们在布拉格的实验性生物学年会上提出了他们的研究结果。
The scientists presented their findings at the Society for Experimental Biology's annual conference in Prague.
那么，来看一看一个示例方案，这是在IBM研究人员呈交给EDOC会议的论文中所提出的(请参阅参考资料)。
Well, take a look at the example scenario put forth in the paper the IBM researchers presented to the EDOC conference (see Resources).
该所也是致力于提出问题的，在该所的研究中最重要的问题是：我们如何出现于此？
This too was devoted to asking questions, in this case the weightiest: How did we get here?
因为人们已在三个灵长类生物间发现了这种效应。最近的是在一个关于黑猩猩的研究中，它提出这种效应有进化论的根基。
Because this effect has been observed in three primate species, most recently in a study of chimpanzees, it suggests this effect has evolutionary roots.
一项研究结果已提出：只有在山竹果里才发现一种叫倒捻子素的抗氧化剂，它对白血病细胞有杀伤作用，对治疗白血病有一定效果。
One group of scientists has proposed that alpha-mangostin, an antioxidant found only in mangosteen, can cause cell death in leukemia cells, effectively treating the disease.
在此之前，埃文斯说，研究人员提出皮肤角质层中有一种结构在吸水时会扩张。
Evans says previously researchers had proposed that the stratum corneum had a structure that was capable of expanding as it absorbed water.
在今年的早些时候，美国国家研究委员会就提出过一份报告，论证这种可以燃烧的水，也可称作甲烷水化物，是一种天然气的潜在来源。
Earlier in the year, a report from the National Research Council identified the combustible water, also known as methane hydrate, as a potential source of natural gas.
在今年的早些时候，美国国家研究委员会就提出过一份报告，论证这种可以燃烧的水，也可称作甲烷水化物，是一种天然气的潜在来源。
Earlier in the year, a report from the National Research Council identified the combustible water, also known as methane hydrate, as a potential source of natural gas.
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