You know the earth is round, the sky is up, and your dog loves you. But HOW do you know those things? This week, how we form opinions – the psychology and brain chemistry behind our beliefs. You & Your Brain - Julian Keenan; Sonic Sidebar: The Political Divide; Irrational Beliefs - Will Storr; Charting Religious Traditions - Karen Armstrong; Dangerous Idea: American Exceptionalism; On Our Minds: Tiananmen Square.
