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科学美国人60秒:被侵犯的猴子会报复侵犯者的亲友

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This is Scientific American — 60-Second Science. I'm Karen Hopkin.
Don't mess with a monkey. Because if you do, he's might take revenge—on your family and friends. That's according to a study of Japanese macaques, which shows that monkeys keep track of each's others' associates and make use of that intel when it comes time for payback. The findings are in the Royal Society journal Open Science.
Researchers were interested in the question of how primates suss out social relationships, knowledge that can come in handy for maneuvering within a complex society. To assess how the macaques obtain and make use of such social know-how, the researchers decided to focus on episodes of aggression—a common feature of simian interactions.
They went through more than 500 hours of video recordings showing the exchanges that took place in a group of 57 macaques living in the Rome Zoo—monkeys whose genealogical relationships are well known. And they parsed some 15,000 episodes of aggression, noting the relationships among the individuals involved.

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First, they confirmed that monkeys that find themselves at the receiving end of aggression tend to turn around and take it out on a third party. And that retaliation is often directed at a relative of the original aggressor.
But how do the monkeys determine who's kin? Well, one way would be that they've been around long enough to have watched each other grow up. But that doesn't seem to be the case. When researchers looked specifically at conflicts involving older monkeys, it didn't seem that relatives were singled out for revenge.
What does seem to be true is that victims will target their attacker's associates—the other monkeys he hangs around with. If they're not his relatives, they're probably his cronies. So, close enough.
Interestingly, there's a benefit to hitting family members when you're meting out justice. Macaques that sought out the kin of the monkeys they wanted to settle a score with were less likely to be picked on again in the future. Whereas wailing on the friends appeared to offer only present satisfaction, but no such future protection.
Which suggests if you're gonna beat on someone for payback, it should at least be a monkey's uncle.
Thanks for listening for Scientific American — 60-Second Science Science. I'm Karen Hopkin.

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重点单词   查看全部解释    
track [træk]

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n. 小路,跑道,踪迹,轨道,乐曲
v. 跟踪

 
immediate [i'mi:djət]

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adj. 立即的,即刻的,直接的,最接近的

联想记忆
aggression [ə'greʃən]

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n. 进攻,侵犯,侵害,侵略

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settled ['setld]

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adj. 固定的;稳定的 v. 解决;定居(settle

 
original [ə'ridʒənl]

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adj. 最初的,原始的,有独创性的,原版的

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stress [stres]

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n. 紧张,压力
v. 强调,着重

 
kin [kin]

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n. 家族,亲属
adj. 亲属关系的,同类的

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determine [di'tə:min]

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v. 决定,决心,确定,测定

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annoying [ə'nɔiiŋ]

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adj. 恼人的,讨厌的

 
assess [ə'ses]

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v. 估定,评定

 

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