It's not surprising that animals far less complex than we are would display a trait that's as generous of spirit as empathy, particularly if you decide there's no spirit involved in it at all.

毫不奇怪，比起动物，我们要远远复杂得多，就像“移情”那样，我们会表现出慷慨的特质，尤其你若认为动物并没有心灵，就更是这样。

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He plans to offer his PGD amplification technique to fertility clinics for medical purposes such as screening for complex disorders, but won't let it be used for physical trait selection.

他计划将他的技术提供给生育研究所用来进行检查复杂疾病这样的医疗行为，而不是用来选择生理特征。

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But general mental ability also predicts job performance, and in more complex jobs it does so better than any other single personal trait, including education and experience.

可是，普适性智力因子其实也能预测工作业绩，并且在很多内容复杂的工作业绩的预测方面，它甚至要比其他任何单独指标(如教育水平或工作经验)更能说明问题。

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One finding of this technique, which is known as genome-wide complex-trait analysis, is that many of the same genetic factors seem to explain why people differ in intelligence in childhood and old age.

WSJ: Intelligence Changes Linked to Genes