Why We Think What We Think

Our opinions – whether we believe in God or in ghosts, our views on sex or animal rights or immigration, our basic sense of what’s good or fair – are shaped by a breathtaking web of hidden forces. The age-old idea that our views are forged by reason and evidence alone is wrong: we are influenced by everything from the quirks of distant history, through the geology of where we grew up, to the lines of our genetic code.