Hi, everybody. 大家好！ About a year ago, I promised that 2014 would be a breakthrough year for America. 1年以前我曾向大家许下承诺，2014年是美国的突破之年。 And this week, we got more evidence to back that up. 而本周我们如约履行了这个承诺，有了

真菌学者Paul Stamets列出了真菌菌丝可以拯救世界的6种方法：清洁被污染的土地、生产杀虫剂、治疗天花甚至流感.... Paul Stamets: 6 ways the mycelium fungus can help save the universe 菌丝拯救世界的6种方法 I love a challenge, and saving the Earth is probably a go

As a former chairman of Johns Hopkins 作为约翰霍普金斯大学前任主席 I strongly believe that a university's obligation 我坚信一所大学的职责 is not to teach students what to think but to teach students how to think 并不是教学生思考

34. Speech by John Paul II 34. 教皇保罗二世演讲 How could man have such utter contempt for man? Because he had reached the point of contempt for God. Only a godless ideology could plan and carry out the exter

So we see Pranav here going into the supermarket and he's shopping for some paper towels. 我们看到Pranav现在去了超市，他打算买一些纸巾。 And, as he picks up a product, the system can recognize the product that he's picki