Even though they spend the significant portion of the year hibernating, according to this case study, marmots are still considered excellent subjects for animal behavioral studies.

尽管土拨鼠一年中的大部分时间都在冬眠，根据这个案例研究，它们仍然被认为是动物行为研究的优秀对象。

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A study published last year in The American Journal of Clinical Nutrition found that people who sleep more tend to eat less unhealthy food than their peers who don't get as much rest.

去年发表在《美国临床营养学期刊》上的一项研究发现，睡眠多的人比他们睡眠较少的同龄人更少吃不健康的食品。

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That group exhibited more violent behavior in the eighth year of the study than those who did not have head injuries.

在研究的第八年，那一组比没有头部受伤的人表现出了更多的暴力行为。

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In that group, twenty-two percent of the wives earned more than their husbands during the most recent year of the study.

VOA: special.2010.02.19

Test projects have already begun, and he says the main part of the National Children's Study will begin next year.

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Yet the study found that having a friend who is lonely can add about seventeen days a year of loneliness.

VOA: special.2009.12.22

It had not piloted the A2 section - the second year of study - before the A-level was split into two parts in 2000.

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Over the 20-year period of the study, there was net outperformance of 9 percent per year between the longs and the shorts.

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The Pavlopetri Underwater Archaeology Project 2009 is at the start of a five-year study of the site which aims to define the history and development of Pavlopetri.

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