More from Frans De Waal
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Humans
Fair play: Monkeys share our sense of injustice
Opinion
Life-changing books: Darwin and the Emergence of Evolutionary Theories of Mind and Behavior
News
Perspectives: Can apes save Hillary Clinton?
Opinion
Environment
Review: Baboon Metaphysics by Dorothy L. Cheney and Robert M. Seyfarth
Books & Arts
Frans de Waal forecasts the future
Opinion
Life
The animal roots of human morality
Opinion
Life
The empathic ape
Opinion
Life
Animals and us: Suspicious minds
Opinion
Life
Without walls
Opinion