Observatoire des droits humains (anglais seulement)

Older Monkeys Get More Selective About Companions

(Version anglaise seulement)

The grumpy old man who yells “Get off my lawn!” at anyone who comes near is a funny stereotype. But it's based in reality - many people do get more prickly as they age. Psychologists attribute that social selectivity to a recognition that time is growing too short to waste it on people we don’t like. But our desire to hang out less and narrow our social interests may have deeper roots. Scientists studying Barbary macaques at the La Forêt des Singes Park in Rocamadour, France...

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