Dr. Tiana Pirtle, an animal ecologist from the University of Tasmania, reveals the hidden complexities of animal vaginas, debunking the long-held myth of female passivity in reproduction. She shares fascinating tales of how ducks and hyenas wield control in mating, showcasing evolution's arms race between penises and vaginas. With a box of animal vaginas as a prop, Pirtle dives into unique adaptations like genital shields in water striders and intriguingly complex systems in rattlesnakes, all while celebrating the diversity of female anatomy.