Is Pollution in China Causing Cats to Grow "Wings?"

No, he’s not Supercat, but apparently a fuzzy feline in the southwest Chinese city of Chongqing began sprouting triangular, fur-covered "wings" out of his back when he was about a year old. Some speculate the strange growths are the result of a mutation caused by chemicals the cat’s mother was exposed to before giving birth. It’s certainly possible, since the heavily industrialized city of Chongqing is packed with chemical, metal, and automobile factories pumping out acid rain and air pollution. In fact, as of 2004 the city was the second most polluted worldwide. And it's taking its toll: Environmental authorities suspect chemical contaminations were behind the deaths of thousands of fish in the Fujiang River in Chongqing a few months ago. Others say the so-called wings are actually growths from an embryo that never completely separated from the cat before birth – in other words, the cat’s, er, Siamese twin. ...