The Sperm Laboratory had a special seminar on Dec. 6, 2010. Prof. LEE Hang, professor of the Laboratory of Biochemistry and Conservation Genetics, College of Veterinary Medicine, Seoul National University, gave us a special talk about "History of the relationship between tigers and humans in Korea". Prof. Chang-Bae Kim, Chairman of the Department of Green Life Science, Sangmyung University, gave us a talk about "Genomic analysis for predator -induced polyphenism in Daphnia pulex." The whole laboratory members attended the seminar, which was held in the 123 Conference Room, College of Life Sciences, Zhejiang University.