Human empathy is often celebrated as our most profound and unifying trait. We pride ourselves on our capacity to care for others, easily shedding tears over the tragic death of a fictional character in a movie or a struggling animal in a viral video. Yet, this emotional generosity rarely extends to the physical world around us. We can effortlessly walk past visible suffering on our daily commutes without a second thought. This disturbing disconnect is not a sign of modern cruelty, but a pr...