To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. Polyspermy. Visualization of the biphasic calcium wave during fertilization in Caenorhabditis elegans using a genetically encoded calcium indicator Katie M. Toperzer, Savannah J. Brennan, David J. Carroll, Eric A. Guisbert, and Karen S. Kim Guisbert Biology Open 2023. 12:None-None; doi: 10.1242/bio.059832 Download Original Video