The traditional medicinal practice of smoking dried vulture brains to induce a vision of winning lotto numbers is killing off the bird's population in South Africa, researchers say. Scelo, a young healer in downturn Johannesburg's market for muti, or traditional medicine, says the birds are becoming more scarce. "I only have one every three or four months," he said. "Everybody asks for the brain. You see things that people can't see. For lotto, you dream the numbers." Rolled into a cigarette or inhaled as vapours, vulture brains can also help at the horse races, boost an exam performance, or lure...