The Rational Optimist

Science journalist Ridley believes there is a reason to be optimistic about the human race, and he defies the unprecedented economic pessimism he observes. His book is about the rapid and continuous change that human society experiences, unlike any other animal group. Ideas needed to meet and mate for culture to turn cumulative, and “there was a point in human pre-history when big-brained, cultural, learning people for the first time began to exchange things with each other and that once they st