Eighty-one days ago, I stood in front of 10 Downing Street for the first time as Prime Minister, and I made a promise to the country. I said that the Government I lead will be driven not by the intere

When I was in middle school, a poisonous spider bit my right hand. 我在上中学的时候，被一只有毒的蜘蛛咬了右手。 I ran to my mom for help, but instead of taking me to a doctor, my Mom set my hand on fire. 我去向母亲求救，但是她没有找医生，而

为什么有人会成功？因为他们慵智？或者他们只是幸运？都不是。分析家 Richard St. John 浓缩了他多年访谈的精华，用这个不容错过的3分钟幻灯秀揭示了成功的真实秘诀。 This is really a two-hour presentation I give to high school students, cut down to three minutes. And it all sta

In the Reichstag a few moments ago, I saw a display commemorating this 40th anniversary of the Marshall Plan. I was struck by a sign—the sign on a burnt-out, gutted structure that was being rebuilt. I

Here are some images of clusters of galaxies. 这是一些星团的照片。 They're exactly what they sound like. 正如听上去一样。 They are these huge collections of galaxies, 它们是一堆星系， bound together by their mutual gravity