Tail-wagging, face-licking, jump-in-your-lap friendliness is what dog lovers adore and cat people scorn. But like it or not, the incredible sociability of many — although not all — dogs is universally recognized. It sets dogs apart from their wild relatives.
"Why Are Dogs So Friendly? The Answer May Be in 2 Genes" is from the July 19, 2017 Science section of The New York Times. It was written by James Gorman and narrated by Keith Sellon-Wright.