In the magical world of Harry Potter, witches and wizards can fly on broomsticks, become invisible, and make things levitate. Wingardium leviosa!
What if we could wave a wand to end bigotry? That's still a bit of a stretch at this point, but new research suggests that Harry Potter may be able to work some real-world magic along these lines. It suggests that reading Harry Potter books may curb intolerance of gay people and immigrants.