Ready to dip a toe in the ocean of biological ingenuity? Dr. Jonathan McLatchie is back, this time to discuss with host Andrew McDiarmid the engineering elegance and irreducible complexity of the process of bacterial cell division. You may wonder why we should care about something so minuscule as bacterial cells. After all, something so insignificant and unseen has little bearing on our daily lives. But if we've learned anything in the biological revolution of the 20th century, it's that consequential things often come in very small packages. And if even the simplest forms of life exhibit stunning complexity and engineering prowess, all the more do we! And that complexity and design demands an adequate explanation. Here, McLatchie describes the remarkable process of cell wall breakage and re-synthesis that allows cell division to take place and explains why it's a big problem for Darwinian evolution.