For a brief moment in early 2022, it felt as if humanity had finally learned to collaborate with one of the planet’s sharpest non-human minds. A tiny Swedish startup called Corvid Cleaning AB suggested a scheme so irresistibly clever that it launched a thousand headlines: teach wild crows to pick up cigarette butts, reward them with food, and watch as nature’s most mischievous problem-solvers outsmart our waste problem. It sounded […]