image: A Polykrikos cell after firing a nematocyst. This material relates to a paper that appeared in the March 31, 2017, issue of Science Advances, published by AAAS. The paper, by G.S. Gavelis at University of British Columbia in Vancouver, BC, Canada, and colleagues was titled, 'Microbial arms race: Ballistic 'nematocysts' in dinoflagellates represent a new extreme in organelle complexity.' view more
Credit: [Credit: Dr. Urban Tillmann]