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Why do human beings behave as they do?

'Awe-inspiring... You will learn more about human nature than in any other book I can think of' Henry Marsh, bestselling author of Do No Harm

We are capable of savage acts of violence but also spectacular feats of kindness: is one side of our nature destined to win out over the other?

Every act of human behaviour has multiple layers of causation, spiralling back seconds, minutes, hours, days, ...