Bifurcation of a topological skyrmion string. Manipulation of three-dimensional (3D) topological objects is of both fundamental interest and practical importance in many branches of physics. Read the article in Physical Review B: https://go.aps.org/3O8culF. Authors: J. Xia, X. Zhang, O. A. Tretiakov, H. T. Diep, J. Yang, G. Zhao, M. Ezawa, Y. Zhou, and X. Liu. #condmat #physics #PRBMovieTime. #PRB | American Physical Society