Science
Chimps Steal Less Often From Their Friends, Even When Offered Pineapple
Key Points
Chimp friendships are largely initiated by grooming. They are “popping pimples; they’re looking at little scabs; they’re scratching things,” Dr. Lewis said, behaviors that release bonding hormones like oxytocin.
Chimp friendships are largely initiated by grooming. They are “popping pimples; they’re looking at little scabs; they’re scratching things,” Dr. Lewis said, behaviors that release bonding hormones like oxytocin.