I was once taking a stroll around my campus in the subnivean city of Seattle. On the floor, I suddenly spotted before me a petite sparrow. She was seemingly in pain and unable to fly. Around me were a good number of collegers streaming by. Several passed by and went on with their day without paying attention. The few who noticed the struggling bird or the bothered look on my face checked the social evidence around them and, seeing no one reacting with any real concern, walked on convinced that nothing is wrong. A little while later, for no other reason other than my intense love for nature and its animals, I stopped two of my friends to come and stand next to me and the bird. To my surprise, passerbys started to join us after absorbing the scene: a snow coated street, a helpless little bird, three people with…