Researchers caution that the use of such devices are particularly harmful to the sleep-onset process, since the artificial light can suppress release melatonin which is our sleep hormone.

研究人员提醒说，使用此类设备是影响人们进入深度睡眠的部分原因，因为电子产品的人工光源阻碍人体释放深度睡眠所需的褪黑激素。

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Biologists plan to build artificial burrows in shrub-steppe habitat within the next month in preparation for the release, said Beau Patterson, a state biologist in Wenatchee.

生物学家们计划在下个月内在侏儒兔栖息的地方修建人造的地洞，为这些侏儒兔的放归做准备。

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OBJECTIVE: To comprehensively analyze the application values of silicon rubber in the design of artificial organs, medical apparatus, facial plastic surgery and medical release system.

目的：综合分析硅橡胶在人造器官设计、医疗器械、整容术和在药物缓释体系的应用意义。

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Many students of climate change argue that, although the artificial release of greenhouse gases such as carbon dioxide works to raise the global temperature, particulate pollution should, by promoting cloud cover and thus reflecting solar energy back into space, have a compensating cooling effect.

ECONOMIST: Weather and pollution

Just as he did with a previous artificial brain model, Yamazaki plans to release the source code for the system.

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The regime the team has devised is a combination of a daily pill made of desogestrel (an artificial form of progesterone) and a slow-release testosterone pellet that is placed under the user's skin.

ECONOMIST: Contraception