Many scientists once believed that physical similarities between identical twins are genetic, while their personalities, intelligence and other differences between them are an effect of their environment.

许多科学家曾经认为，同卵双胞胎在外貌上的相似是由基因决定的，而他们之间的性格、智力和其他差异则是受到环境的影响。

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New findings now suggest that half of all differences in intelligence between people appear rooted in the collective influence of many tiny genetic variations.

最新研究调查显示，人与人之间智力的不同大半取决于基因上许多极小的差异。

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These differences in structure and wiring do not appear to have any influence on intelligence as measured by IQ tests.

这些结构和连接上的差别并没有展现在IQ测试考查的智商上。

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So, we devoted a lecture early on--of a couple of weeks ago, to individual differences across people in intelligence and personality.

几周之前我们用了一整节课，来讲人与人之间的智力与个性差异。

耶鲁公开课 - 心理学导论课程节选

But if, within our own species, we don't regard differences in intelligence, reasoning ability, or self-awareness as grounds for permitting us to exploit the being with lower capacities for our own ends, how can we point to the same characteristics to justify exploiting members of other species?

BBC: EATING

These days, when talk turns to the supposed genetic differences in the intelligence of certain races, Southern Italians have disappeared from the discussion.

NEWYORKER: None of the Above

Helping people understand how to respect and appreciate our differences using gender-intelligence, I wonder about how to convey the material to help people lead successful lives living true to their core values and beliefs.

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