They also learn, slowly and imperfectly, to value whatever helps them flourish together in a shared world.… In the autumn of 2032, the city sanitation department of Osaka faced an unexpected crisis. It was not a flood, nor a pandemic, nor a power outage. It was a labor shortage. Japan’s aging population had continued to shrink the workforce despite advances in automation. Delivery robots crossed sidewalks, AI systems optimized logistics, and self-driving garbage trucks handled much of the city’s waste collection. Yet one problem remained stubbornly unsolved: sorting organic waste before it spoiled. The solution arrived from an unlikely source. Cockroaches. Not ordinary cockroaches, but a genetically engineered strain developed by researchers studying insect intelligence and collective behavior. The insects had been modified to preferentially consume specific categories of food waste while avoiding household belongings....