And it turns out that if you actually ask dying people, or really old people basically, "What do you regret from your life?"

结果发现，如果你问临终的人，或者很老的人，“你生命中有什么让你很后悔的？”

耶鲁公开课 - 心理学导论课程节选

DNA is a double helix, you know this, the double helix was--the structure of DNA was discovered about the time that I was born you've always lived with it.

NA是双螺旋结构,众所周知,DNA的这种双螺旋结构,是在我出生的那个年代才被发现的,它就是你生命的一部分

耶鲁公开课 - 生物医学工程探索课程节选