A street food vendor in central China received widespread acclaim after discreetly slipping 100 yuan (US$15) into a takeaway order for a family whose child was undergoing chemotherapy. On August 17, Wang Xianhuang, an egg pancake vendor in Hefei, Anhui province, noticed a heartfelt note attached to a food delivery order that read, “For a child undergoing chemotherapy. Please do not include shredded kelp or lettuce. Make half of it non-spicy.” The message resonated with Wang, prompting him to...