In one study conducted at an American university, researchers collected microscopic germs from footwear.

在美国一所大学进行的一项研究中，研究人员从鞋子上收集了微小的细菌。

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In a recently published study (one survey conducted in 1993; the follow-up in 2009), researchers found that about 80 percent of participants younger than 30 years old dreamed in color.

在最近发表的一项研究中(这项研究在1993年就开展了，2009年又进一步研究)，研究者发现，大约80%年龄在30岁以下的人做的梦是彩色的。

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One study conducted at the University of Southern California has found that stress can fuel nighttime eating binges.

南加利福尼亚大学的一项研究发现，压力可以激起晚间的过度进食。

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The study was conducted in Haiti, one of the world's poorest countries, with one of the highest rates of HIV infection outside Africa.

VOA: standard.2010.07.21

The study was conducted at only one hospital.

VOA: standard.2010.07.23

One study conducted in the United States found no significant difference in the incidence of death among men who were screened for prostate cancer and those who weren't.

CNN: Let men decide on prostate screening, cancer society says

According to one study conducted by University of Buffalo researchers, obese men experience as much as a 40% drop in testosterone production, and that has direct, decidedly negative implications for sexual performance.

FORBES: Sorry, You Can't Sex Yourself Thin (But You Can Kill Your Sex Life with Fat)

In one study conducted by organizational psychologists Jennifer Mueller, Jack Goncalo, and Dishan Kamdar, 55 employees rated the responses of nearly 300 of their (unidentified) coworkers to a problem-solving task for both creativity (the extent to which their ideas were novel and useful) and as evidence of leadership potential.

FORBES: Why Creative People Are Kept Out of the Driver's Seat