This week on Beyond the Abstract, Derek and Ellen talk about Derek's newest first-author publication in Developmental Biology. They discuss the role of myosin in Sertoli cells and how mutations can affect male fertility. More importantly, Ellen recounts a science celebrity sighting from our time working at the NIH.This article was featured as the cover article of the February 2021 issue of Developmental Biology.Sung et al. Mutations in non-muscle myosin 2A disrupt the actomyosin cytoskeleton in Sertoli cells and cause male infertility. Developmental Biology, February 2021. PMID: 33188738. https://doi.org/10.1016/j.ydbio.2020.11.003