In an article published and featured as an Editors' suggestion in Physical Review Letters last week (PRL 115, 187403 (2015)), researchers from the Nanomagnetism group at nanoGUNE in collaboration with a team from the University of Cantabria and the University of Hamburg have reported on a massive increase of magneto-optical effects near the edges of nano-scale disks, where enhancements of over 1000% can be produced.