THE PRESIDENT: Earlier this week, I signed into law the American Recovery and Reinvestment Act -- the most sweeping economic recovery plan in history. Because of this plan, 3.5 million Americans will

Hello, everybody! Everybody, please have a seat. Welcome to the White House, and congratulations to the Super Bowl Champion New York Giants. We've got some members of Congress and members of my admini

Okay. 好了 So what is the daf-2 gene? 那么daf-2基因到底是什么？ Well as you know, genes, which are part of the DNA, 正如大家所知，基因是DNA的一部分 they're instructions to make a protein that does something. 它们是经编码的指令，用于制造

And my last example and the last one you guys probably have seen. I hate to do it to him. He is such a nice guy. When I first met Bryon Russell, John and Karl, I remember it was in Chicago in 1994, I

Barbara Jordan Barbara Jordan: 1976 Democratic National Convention Keynote Address "Who, then, will speak for the common good?" Thank you ladies and gentlemen for a very warm reception. It was one hun