This first International Widows’ Day is an occasion to call attention to the many “firsts” that women must face when their husbands die. In addition to coping with grief, they may fi
By listening to the American people, Republicans have developed a positive agenda to get our country back on track. We're calling it A Better Way. A Better Way would not only restore American lead
Seven years ago, we made the single biggest investment in clean energy in our history. 七年前，我们在清洁能源领域进行了美国历史上最大规模的一次投资。 Here are the results. In fields from Iowa to Texas, wind power is now cheaper tha
You'll see here that some light from behind it gets lensed, and some light does a loop-the-loop around the entire orbit of the black hole. 你现在看到的是在黑洞后面的一些光透过它，有些光的确会一直绕着黑洞转。 But when you get enoug
