Now, it is the position, generally speaking, of our intellectual community that while we may not like this, 普遍来说，我们的学术界是这样想的，虽然我们不喜欢这样 we might think of this as "wrong" in Boston or Palo Alt
THE PRESIDENT: Good morning. This week, I traveled to a hospital in Chattanooga, Tennessee, where I visited with doctors and health care experts. We discussed an urgent priority for our Nation, how we
It's the red circle, that's terrifying. No, really. Black holes really are the central mystery of our age, 这个红色的圈太吓人了。你在开玩笑。黑洞可谓是我们这个时代的中心之谜， because that's where the quantum world and the
My most recent book -- my previous book was called "The Know-It-All," 我最新的书--我前一本书叫做《无所不知》， and it was about the year I spent reading the Encyclopedia Britannica from A to Z in my quest to learn every
