Rachel Herz, PhD and Warwick resident, will speak at the fourth annual TEDxNatick, in Natick, Mass., on Saturday, Jan. 26, 2019. She is a neuroscientist, author and leading expert on the psychological science of smell. Her published books include "Why You Eat What You Eat,” "The Scent of Desire" and "That's Disgusting". She has appeared on shows including “On Point” and “Science Friday.” She teaches at Brown University and Boston College. An all-volunteer, community-driven initiative, TEDxNatick brings together 800 community members, civic leaders, business leaders, technologists, artists, educators and other professionals for a full day of thought-provoking talks, inspiring music, conversations and networking. This year's event will have over 20 corporate and individual sponsors, and 12 fantastic speakers. Tickets will be on sale at www.tedxnatick.org starting on Dec. 7. Every previous TEDxNatick event has sold out in advance. (Submitted photo)