Artificial carbon storage on a large scale is still in its infancy; as environmentalists point out, some quite effective devices for carbon storage occur naturally-they are known as trees.

大规模的人工碳储存还处在萌芽阶段；就像环境学家指出的那样，一些非常有效的谈储存装置是自然产生的—以树而出名。

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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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Hence, human rationality relies heavily upon the psychological and artificial associational and indexing devices that make the store of memory accessible when needed for the making of decisions.

因此，人的理性极大地依赖于心理的和人工的联想与索引手段，这些手段使得存储的记忆在做决策所需时可以获取。

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And it's important innovation in several different ways and we're going to talk about this whole science of building artificial organs, devices that are made out of totally synthetic components to replace the function of your natural organs, and the artificial heart is a good example of that.

在很多方向上也做出了重要的创新,我们会讲到,制造人造器官的技术原理,这些装置完全用合成材料制成,能够取代人体器官的功能,人造心脏就是一个很好的范例

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Whether the carbon dioxide is captured by real trees, as some would like, or by artificial devices, environmental problems caused by the process would be local ones at the site of the sucking.

ECONOMIST: Geoengineering

Cancer Research UK says people should not use artificial tanning devices for cosmetic purposes because they - like the sun - increase skin cancer risk.

BBC: NEWS | Health | Europe issues warning on sunbeds

But the implications go deeper: For the millions of Americans who live with paralysis, mentally controlling artificial limbs and mobility devices would be a big step forward toward more independent living.

CNN: Brain-controlled devices may help paralyzed people