The Optimism BiasBy: Tali Sharot Winner of the British Psychological Society Book Award for Popular Psychology Psychologists have long been aware that most people tend to maintain an irrationally positive outlook on life. In fact, optimism may be crucial to our existence. Tali Sharot's original cognitive research demonstrates in surprising ways the biological basis for optimism. In this fascinating exploration, she takes an in depth, clarifying look at how the brain