The best study on the footprint of home computers was carried out by Apple; it showed that a single new desktop machine created emissions of almost half a tonne during its manufacture.

苹果公司对家用电脑的碳足迹曾做过最佳的研究；该项研究表明，一个新的台式电脑在其生产过程中要产生近半吨的碳排放量。

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Study coauthor Moran Cerf and his colleagues eavesdropped on single neurons with electrodes that had already been implanted for medical reasons in the brains of people with epilepsy.

合著研究者塞尔夫·莫兰和他的同事们打探因癫痫症而在一个人大脑中为治疗而植入在其脑内的一个电极上的神经元。

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One can picture this single electron spin caught on the nanotube as an artificial atom, " says researcher from University of Copenhagen and participant in the study, Jonas Hauptmann.

人们也可以把被碳纳米管捕捉的单电子自旋当成一个人造的原子。” 哥本哈根大学研究员，这项研究的参与者，Jonas Hauptmann 说。

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Like much of the previous research on coffee, the study was based on survey data -- in this case, a single questionnaire distributed in the mid-1990s -- that may provide an incomplete picture of the participants' overall health and lifestyle.

CNN: Coffee drinking linked to longer life

In my opinion, the single best study on this topic was conducted by Prof.

FORBES: What the NRA is Assuming (and Why They are Wrong)

The FDA based its approval of the NovoTTF 100A System on results from a single international clinical study in 237 patients with recurrent GBM or with GBM that hadn't responded to traditional therapy.

ENGADGET: Portable brain tumor treatment system kills cancer while you take out the trash