<正>Science Bulletin(Sci. Bull., formerly known as Chinese Science Bulletin from 1966 to 2014) is a multidisciplinary academic journal supervised by the Chinese Academy of Sciences(CAS) and co-sponsored by the CAS and the National Natural Science Foundation of China(NSFC). Sci. Bull. is a semi-monthly international journal publishing high-caliber peer-reviewed research on a broad range of natural sciences and high-tech fields on the basis