最近在《自然-神经科学》杂志上发表的一份研究中指出，简明的戒烟信息会影响大脑中与人类自我认知有关的区域。

A recent study published in the journal Nature Neuroscience shows that tailored antismoking messages engage brain regions involved in how people see themselves.

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科学家们希望，在睡眠中对脑部已知功能区域的扫描能够让研究者们开发出一些工具，让我们在想要睡觉的时候保持困倦状态，该起床的时候自然起床。

The scientists hope that understanding brain scans during sleep will enable researchers to develop tools to keep us asleep when we want to sleep and to wake us up only when it is time.

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克拉克——康内尔大学生物听力研究项目主管说，近岸海水的鲸鱼出没区域能听到自然范围内仅仅10%到20%的收缩声。

Clark, director of the bioacoustics research program at Cornell University, the area over which whales in coastal waters can hear one another shrinks to only 10 to 20 percent of its natural extent.

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