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It’s been called the most “emotionally evocative sense”, yet often takes a back seat to sight and sound. Now a new book reminds us how important this sense is, exploring smell from historical and cultural standpoints and looking at how science and business use smell to sell products, improve mental health and well-being, and even in our national security.

Guest

• Rachel Herz, Professor of Psychology, Psychiatry and Human Behavior at Brown University and author of “The Scent of Desire: Discovering Our Enigmatic Sense of Smell”