One approach for locating and snipping DNA strands involves "zinc fingers" - proteins that bind to DNA and can be linked together to recognise extended stretches of DNA with very high specificity.

一种定位和剪开基因链的方法叫做“锌指”——由基因链组成的蛋白质，它可以通过高特异性辨识到DNA的“接头”，并和DNA相互连接起来。

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Zinc and iron have been linked to the brain's ability to stay focused and remember information.

锌和铁与大脑的注意力和记忆力有关。

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When the study results were adjusted to take into account the effects of factors such as gender and race, zinc was still linked to lung cancer.

将性别和种族这些因素的影响纳入考虑后，经调整的研究结仍表明，锌与肺癌密切相关。

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Prof John Beattie, head of the micronutrients group at the University of Aberdeen, said NF-kB cropped up in many processes in the body, including atherosclerosis, which leads to blocked arteries seen in heart disease and has been linked to zinc deficiency.

BBC: Zinc 'keeps immune system in check'

The Russian steel and mining giant Severstal has linked up with South Africa's Anglo-American to jointly explore Kola deposits of zinc, copper and nickel.

BBC: NEWS | Business | Metals boom sparks Kola nature fears