Who Owns Halloween?

Not commercially — I know that’s Instagram and your local pet costume pop-up store. I mean scientifically. Who can scientifically explain why the hell we love Halloween so much?

Mathias Clasen, for a start. Five years ago, Clasen (an assistant professor of literature and media at Aarhus University) wrote this wonderful synthetic essay for the British Psychological Society, curating what research says about the anthropological and evolutionary psychological roots of Halloween.…