Why are people nice to each other? What are the reasons for altrusim? Matt Ridley explains how the human mind has evolved a special instinct for social exchange, offering a lucid and persuasive argument about the paradox of human benevolence.



Why are people nice to each other? What are the reasons for altrusim? Matt Ridley explains how the human mind has evolved a special instinct for social exchange, offering a lucid and persuasive argument about the paradox of human benevolence.