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"Maybe the reason why free radicals and aging are correlated is because free radical production in the mitochondria (part of the cell) is a stress reaction to the damage of aging," Hekimi said.

海克米说：“人们之所以把自由基和衰老联系在一起，可能是因为自由基在线粒体(细胞的一部分)中产生是人体对衰老的应激反应。”

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The Cell BE architecture is a radical departure from traditional processor designs.

Cell BE体系结构与传统处理器的设计有根本的区别。

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But now Pfizer is betting that a radical new adult stem-cell treatment may be able to stave off diabetes-induced retina damage, a leading cause of blindness.

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