Personality influences lifespan as much as socioeconomic status. Why is that?
On this day in 1930, the Mother Superior of the School Sisters of Notre Dame in Milwaukee, Wisconsin, sent a letter asking every member of the sisterhood to write an autobiography. She offered few further instructions, and so left it up to each member of the order to decide how to describe the most important episodes of their lives. Some nuns chose to insert emotional details about how their experiences had affected them. Others recounted only bald facts. Seven decades later,