Kai Song is an professor at the School of Life Science, Changchun Normal University, China. He obtained a B.S. in biological sciences (2002) and an M.S. in botany (2005) at Northeast Normal University. He received his Ph.D. from Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, in 2010. His research keywords include Rhodamines; the characterization coordination of polymers; metal–organic frameworks and nanobiotechnology; the development of small berries; and bibliometrics related to biotechnology.