“It’s been claimed chimpanzees act mainly for their own ends; but in our experiment, there was no reward and they still helped.”
~ Felix Warneken, psychologist, Max Planck Institute for Evolutionary Anthropology (Leipzig, Germany) (BBC)
“It’s been claimed chimpanzees act mainly for their own ends; but in our experiment, there was no reward and they still helped.”
~ Felix Warneken, psychologist, Max Planck Institute for Evolutionary Anthropology (Leipzig, Germany) (BBC)
