Faith Brynie, Ph.D., is the author of 25 books on science and health, including Brain Sense: The Science of the Senses and How We Process the World Around Us (Amacom 2009) and 101 Questions Your Brain Has Asked About Itself But Couldn't Answer... Until Now (revised edition, Twenty-First Century Books, 2008). She regularly writes science and health articles for several websites and science magazines. She holds a Ph.D. from the University of Colorado. Over the course of her career, she has worked as a laboratory scientist, medical technician, teacher, and university professor. She's held jobs in the publishing industry ranging from copyeditor to editorial director. She lives in Bigfork, Montana.