According to a new study, the number of advertisements with green messages in mainstream magazines has risen since 1987, and peaked in 2008 at 10.4%.

根据一项新的研究，主流杂志上带有绿色信息的广告数量从1987年开始上升，并在2008年达到10.4％的峰值。

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A number of techniques developed since the 1950s, however, have placed the study of these subjects on a sounder and more objective footing.

但是，自二十世纪五十年代以来一些技术的发展为这些学科的研究提供了更健全、更客观的基础。

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For instance, the use of raised toilet seats has more than doubled since the start of the study, and the use of bath seats has grown by more than 50%.

例如，自研究开始，高架马桶座圈的使用增加了一倍以上，而浴缸座圈的使用增加了50%以上。

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But since the St.John's curriculum aims to span almost all of Western culture, students study every branch of the liberal arts - including music.

VOA: standard.2010.05.12

It's also worth chucking into the mix that the global average temperature variation between even the strongest El Nino event and the next ordinary year is a fraction of a degree Celsius - certainly less than the rise of about 0.6C that we've seen since the beginning of the study period, in 1950.

BBC: Warm, wet - and warring?

Since the intention of the study was to judge how well unit-trust managers performed (rather than answer the slightly different question of how well investors did), the harmful impact of costs associated with buying into the funds, a big issue in Britain, was eliminated.

ECONOMIST: Mutual suspicion | The

Most of the increase since the last 2009 study is the result of re-evaluating shale gas plays along the Gulf Coast Mid-Continent and Rocky Mountain areas.

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