Nigeria, March 30 -- This opens a conversation that is at once ancient and startlingly modern, a tension between what seems biologically fixed and what continues to evolve within human experience. For generations, humanity has organized itself around the visible duality of male and female, which is clear in anatomy, distinct in physiology, and reinforced by culture, religion, and tradition. The union between the two has long been seen not only as natural but necessary, particularly because of its reproductive outcome. Nature itself appears to have written this script with unmistakable clarity: the complementary design of bodies, often metaphorically described as "mortar and pestle," suggests alignment, function, and continuity of life. I...