NELL GREENFIELDBOYCE: ‘Even very young babies can tell the difference between someone who’s helpful and someone who’s mean — and lab studies show that babies consistently prefer the helpers. But one of humans’ closest relatives — the bonobo — makes a different choice, preferring to cozy up to the meanies. That’s according to experiments described … Continue reading Unlike Humans, Bonobos Shun Helpers And Befriend The Bullies