Dr. Barbara Sherman is the director of the Behavioral Medicine Service at the N.C. State Veterinary Health Complex. (N.C. State University photo)
Dr. Barbara Sherman is the director of the Behavioral Medicine Service at the N.C. State Veterinary Health Complex. (N.C. State University photo) N.C. State University
Dr. Barbara Sherman is the director of the Behavioral Medicine Service at the N.C. State Veterinary Health Complex. (N.C. State University photo) N.C. State University

How and why do cats purr?

July 29, 2012 05:00 AM

UPDATED June 15, 2015 03:34 PM

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