Credit: Unsplash/CC0 Public Domain A mythical army of genetically engineered raccoons has helped Australian researchers show that belief in conspiracy theories may be less common than previously thought. Findings from a Macquarie University study suggest many opinion poll surveys make belief in conspiracies look more common than it really is because some anonymous respondents don't answer truthfully, instead trolling, joking or not taking questions seriously. The study is published in the journal Collabra: Psychology . As part of an online survey, the Macquarie researchers asked 1,044 Australians to rate each of seven conspiracy theories as true or false.…