1995 file photo of newborn (4 hours when photo was taken) beluga calf Qila cavorting with mother Aurora at the Vancouver Aquarium. Photograph by: Peter Battistoni, Vancouver Sun Files   Researchers at the University of British Columbia warned scientists Thursday they had found evidence that an infectious form of a cat parasite had spread through Arctic waters and has begun to appear in Beluga whales. Michael Grigg and Stephen Raverty […]