On June 12, 2014, precisely at 3:33 in a balmy winter afternoon in Sao Paulo, Brazil,a typical South American winter afternoon,this kid, this young man that you see celebrating here like he had scored

You all know this story. 你们都知道这个故事. In the summer of 1950, 在1950年的夏天, Enrico Fermi, the Italian-American physicist Enrico Fermi, 美籍意大利心理学家 and atomic-pile builder, 和原子堆创造者 went to lunch at Los Alamos

李炫秀Ted英语演讲：My escape from North Korea我的北韩逃亡记(中英) When I was little, I thought my country was the best on the planet, and I grew up singing a song called "Nothing To Envy." And I was very pro

It is that unique self-definition which has given us an exceptional appeal, but it also imposes on us a special obligation, 正是这种独一无二的自我定义，赋予了我们非同寻常的号召力，但同时也加之于我们一项特殊的义务， to take on those moral duties

Good morning, everybody. Please have a seat. More than 54 years ago, at the height of the Cold War, the United States closed its embassy in Havana. Today, I can announce that the United States has agr