Ms. SUN Xiao's presentation is about the role of actin and myosin during spermatogenesis on Dec. 3, 2010. Her talk is based on a mini-review written by Xiao Sun, Tamas Kovacs, Yan-Jun Hu, Wan-Xi Yang, which will had been accepted by the journal Molecular Biology Reports recently. (Photo by HOU Cong-Cong)