Others cover more serious material, including his work on the Manhattan Project (during which his first wife Arline Greenbaum died of tuberculosis) and his critique of the science education system in Brazil.
另外也涵盖了更多严肃的内容，包括他参加曼哈顿计划（在此期间他的第一任妻子阿琳死于肺结核）和他對巴西教育体制的批评。