'Sloman and Fernbach hammer another nail into the coffin of the rational individual . . . positing that not just rationality but the very idea of individual thinking is a myth'Yuval Harari, bestselling author of Sapiens and Homo Deus The human mind is both brilliant and pathetic. We have mastered fire and have stood on the moon, and yet every one of us is fundamentally ignorant, irrational and prone to making simple mistakes every day. In this groundbreaking book, cognitive scientists Steven Sloman and Philip Fernbach show how our success as a species is down to living in a rich community of knowledge, in which we can draw on information and expertise outside our own heads. And without any idea that we are even doing it. Utilizing cutting-edge research, The Knowledge Illusion explains why we think