Prof. Junda Lin was answering questions by students from the Sperm Laboratory. The seminar presented by Prof. Junda Lin on Sep. 16, 2008 was welcomed by the Sperm Laboratory students, and Prof. Lin was also impressed by the professional questions  posed by students of Zhejiang University.  From right to left: Prof. Junda Lin, Prof. Mei-Sheng Xia, Liang Xiang (undergraduate student), Xiao SUN, and Ke-Ming Yu. (Photo by Dr. Wan-Xi Yang)