Clearing old memories from the hippocampus makes way for new learning, researchers from Japan suggest in the Nov. 13 Cell.

清除海马体中的旧记忆能为学习新东西腾出空间，日本的研究者在11月13日的《细胞》上发表了这一观点。

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Short-term stress lasting as little as a few hours can impair brain-cell communication in areas associated with learning and memory, University of California, Irvine researchers have found.

加州大学欧文分校研究人员发现，即使只是几小时的短期压力也扰乱脑细胞间的正常运作，而这些运作正关系到学习和记忆。

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While the mechanism of neurogenesis is not fully understood, extra brain cell growth is strongly correlated to learning new things.

虽然神经形成的机制还不完全明了，但可以确知的是额外的脑细胞增长与学习新事物具有强相关。

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For hepatitis C vaccine we're learning a lot from in vitro or cell-based methods."

VOA: standard.2010.02.16

And the nucleus name was used as an analogy to the nucleus of a cell so in some ways that makes it easier to see the connection but I think it can also be a little bit confusing for maybe 7th graders that are learning both at the same time, that this nucleus acts very different from a nucleus in a cell, although, of course, there many of them in the nucleus of a cell.

原子核这个名字的命名,是类似于细胞核,这样会让人们更容易看到两者之间的联系,但我觉得这样可能,会给正在学这两个课程的,7年级学生带来困惑，原子核的行为,和细胞核完全不同，虽然在细胞核。

麻省理工公开课 - 化学原理课程节选

His second shock was learning about the cell farthest away from his, Cell One.

NEWYORKER: Cell One

Often this meant learning to exploit the latest laptop, cell phone, fax, Internet and other computer and communications technologies that make possible the mobile economy.

FORBES: Everyday revolutionaries

Revealingly, the new gene, called neuregulin-1, turns out to be involved in brain cell "plasticity, " the rewiring process that enables learning.

FORBES: Icelandic identifiers