How much insight do people have into why they behave the way they do? Science journalist Shankar Vedantam, host of the Hidden Brain podcast and author of “Useful Delusions: The Power and Paradox of the Self-Deceiving Brain,” talks about why he is fascinated by the paradoxes of human behavior, what it takes to bring the popular podcast to life, and why it’s important to show the public the challenges as well as the triumphs of science. Links The Hidden Brain Speaking of Psychology Home Page