Female cheetahs at New York's Bronx Zoo prefer men's cologne (Pic: S. Durant, WCS) Female cheetahs at the Bronx Zoo just love Calvin Klein perfumes. But these New York cats don't dab it behind their ears - they just enjoy rubbing up against tree stumps sprayed with it. This is no New Age experiment in aromatherapy, but part of a program of the Wildlife Conservation Society, which operates New York City's zoos and aquariums, to keep animals healthy and happy. "We want to enrich the daily lives of the animals, both physically and psychologically," said Dr Diana Reiss, a...