The Charlotte Observer2012-07-30: Dr. Barbara Sherman is the director of the Behavioral Medicine Service at the N.C. State Veterinary Health Complex. Here she explains the science behind those characteristic rumblings of our feline companions. Questions and answers have been edited. Q: Why do cats purr? Does it always mean they are happy? What a pleasure to have a cat sitting in one’s lap, purring loudly! Cats are… more »
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