But this question lingers and I continued to be troubled by the unequal distribution of scientific knowledge throughout the world. 但这个问题仍旧萦绕着我，我依旧会被世界上科学知识的分布不均衡问题所困扰。 We have learned to edit the huma
Almost three weeks ago in Syria, more than 1,000 innocent people-including hundreds of children-were murdered in the worst chemical weapons attack of the 21st century. And the United States has presen
Good morning, FIU! Thank you, President Rosenberg, for reminding me how old I am. Thank you, Dean Stack and Provost Furton, for letting me share this very special day with you. And Marcia, congratulat
