Why do cats, humans, and elephants all pee in roughly the same amount of time? Dive into the fascinating physics and biology behind mammalian urination with this TED-Ed companion resource! Designed for high school and college-level biology, anatomy, or physics classes, this resource includes 20 rigorous discussion questions, a formal essay prompt, and an expanded debate topic exploring evolution, behavior, and biomechanics. A great tool to spark curiosity and connect science with everyday li