Now the reason the chimpanzees don't do that 黑猩猩不那么做的原因 is that they lack what psychologists and anthropologists call social learning. 是它们缺乏心理学家和人类学家所谓的社会学习能力 They seem to lack the ability to learn fr

President Bush Welcomes 2007 NCAA Football Champion Louisiana State University Tigers to the White House 　THE PRESIDENT: Good to see you all. Welcome. Go Tigers! (Applause.) Sit down. Please sit down.

September 17, 2007 THE PRESIDENT: Secretary Rice and Secretary Gates, General Pace, members of my national security team have just listened to some briefings from provincial reconstruction teams in Ir

I was convinced that the only thing I wanted to do, ever, was to write novels. However, my parents, both of whom came from impoverished backgrounds and neither of whom had been to college, took the vi

At 10:55 am ET (7:25 pm local), Air Force One touched down under the shroud of nightfall at Bagram Air Base in Afghanistan. President Obama had just made an unannounced 12 hour, 46 minute journey to m