The spatial layout of antagonistic brain regions is explicable based on geometric principles. - Leech, Robert; Braga, Rodrigo M.; Haydock, David; Vowles, Nicholas; Jefferies, Elizabeth; Bernhardt, Boris; Turkheimer, Federico; Alberti, Francesco; Margulies, Daniel; Sherwood, Oliver; Jones, Emily JH; Smallwood, Jonathan; et al. (Communications Biology, 2025)