Yestino - The Signal · Returning Soldier Effecthttps://yestino.com/zh-CN/entities/returning-soldier-effect-7a2747与 Returning Soldier Effect 相关的全部事件zh-CNReturning Soldier Effecthttps://yestino.com/zh-CN/events/returning-soldier-effect-ad785ehttps://yestino.com/zh-CN/events/returning-soldier-effect-ad785eTue, 22 Sep 2026 08:57:49 GMTThe returning soldier effect is an observed phenomenon where more boys are born relative to the number of girls after periods of war. 来源：Hacker News