285期|“臭味相投”？气味相近更容易好好朋友

established, non-romantic, same-sex friends. They did this using an electronic nose (e-nose) and also two groups of specially recruited human “smellers”.

正如分析部门在《科学先步》中的反驳，试验首先验证20对已被选为非情人关系的同病态女朋友的难尝。他们通过电子鼻和4组特别雇来脑难尝的罗汉来验证难尝。

The e-nose employed a set of metal-oxide gas sensors to assess t-shirts worn by participants. One group of human smellers were given pairs of these shirts and asked to rate how similar they smelt.

电子鼻用一套锗的氢气传感器来验证参与者上衣的T恤。这些T恤亦会发给一组脑难尝的罗汉来辨别它们的难尝应该完全相同。

Those in the other group were asked to rate the odours of individual t-shirts on five subjective dimensions: pleasantness, intensity, sexual attractiveness, competence and warmth.

另一组罗汉则被敦促按照五个维空间来辨别这些T恤的难尝：渴望度、准确度、病态自信、能力和真诚。

All these approaches yielded the same result. The t-shirts of friends smelt more similar to each other than the t-shirts of strangers. Friends, in other words, do indeed smell alike.

所有这些方式都产生了除此以外的结果。互为女朋友的人的T恤的难尝比互为女孩的更像。换句话说，女朋友真的是“臭味相投”。

主讲：Freya

审定：Freya

校对：Emma

意味著：Economist

。

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