I'm going to tell you a little bit about my TEDxHouston Talk. 我要跟大家讲一点关于我TEDxHouston演讲的事。 I woke up the morning after I gave that talk with the worst vulnerability hangover of my life. 在演讲之后的那个早上，是我这辈

What Health Reform Will Deliver – This Year In this week’s address, President Obama describes how American families will have more control over their health care this year, after health reform passes.

At your age, in spite of a distinct lack of motivation at university, where I had spent far too long in the coffee bar writing stories, and far too little time at lectures, I had a knack for passing e

Mr. Vice President, Mr. Speaker, Members of the Senate, and of the House of Representatives: Yesterday, December 7th, 1941 -- a date which will live in infamy -- the United States of America was sudde

But to put that in context: 我们把这些数字写下来： 5.93 million years ago 593万年前 was when our earliest primate human ancestors stood up. 我们人类的祖先灵长类开始了直立行走 That was the first upright primate. 这是第一种直立行走的灵长类动物 Okay