Explorer Colonel John Blashford-Snell has had close encounters with vampire bats and angry bees, but his latest brush has been with a rather odd dog. He spotted a rare breed of Double-Nosed Andean tiger hound, which has two noses, on a recent trip to Bolivia. Xingu is said to be intelligent and fond of salty biscuits The chairman of the Scientific Exploration Society said the dog, named Xingu, was "not terribly handsome". He said: "This breed could be used for sniffing out mines or narcotics because they have an enhanced sense of smell." Colonel Blashford-Snell first encountered a Double-Nosed Andean...