我嘅科學之旅響加州嘅柏克萊大學開始 響嗰度我參予一個長 30 年嘅研究 嘗試響舊畢業年冊 入面嘅學生照片度 量度佢哋一生人 成就同快樂程度
My scientific journey began at the University of Berkeley in California, where I participated in a 30-year research project to try to measure their lifetime achievements and happiness in the photos of students in their old graduation books