Every non-human primate's guide to schmoozing

 作者:窦镧绛     |      日期:2019-04-04 12:09:06
By Mairi MacLeod and Duncan Graham-Rowe SOCIAL living is a complicated business. The more buddies you have around, the harder it becomes to keep track of friends and enemies. Two studies of primate societies suggest how they might cope. Reciprocal grooming is one way that apes and monkeys forge and maintain social bonds. But as groups get larger,