Editors’ choice in volume 85, issue 8, August 2021. For the thematic issue “Electron and probe microscopy, and complementary methods in research of nanostructures and nanomaterials” it is the paper of V. I. Bondarenko, I. N. Trunkin, I. G. Gorlova, N. B. Bolotina, and A. L. Vasiliev entitled “Investigating the Vacancy Structure of TiS3 Single…