This means "the males are more efficient at mating," Crews says.

克鲁斯表示，这就意味着“这些雄鼠在求偶上很有效率”。

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These were rats, but the results have implications for humans, too, Crews says.

克鲁斯表示，这虽是对鼠类的研究，但是其结果也同样适用于人类。

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"How you think is probably more important than what you think," Crews says. "Quieting the left hemisphere is really critical."

“你如何想可能比你想什么更重要，”克鲁斯说，“让大脑左半球平静下来的确是极其重要的。”

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President Obama says crews have made progress in cleaning up the spill, but the job is not done.

VOA: special.2011.04.23

Alan Hamill of the Fire and Rescue Service says crews faced very "punishing" conditions.

BBC: Woman dies in west Belfast house blaze

New Jersey Transit Police Chief Joseph Bober says his crews are contributing.

CNN: Wary New York stands guard

But fire information officer Mike Cole says what's really needed are more helicopters and more experienced fire crews.

NPR: Western United States Braces for More Wildfires