Summary: 讲师：史蒂芬-品克 学校:TED Linguist Steven Pinker questions the very nature of our thoughts -- the way we use words, how we learn, and how we relate to others. In his best-selling books, he has brought sophisticated language analysis to bear on topics of wide general interest. 课程介绍：史蒂芬-品克通过图表展示从古至今暴力使用的频率的下降，并且声称尽管今天的世界看上去很不太平，伊拉克、达尔富尔等地区更是战乱不断，但实际上，现在人类正处于历史上最和平的时期。
