After 13.8 billion years of cosmic history, our universe has woken up and become aware of itself. 在138亿年的历史之后，我们的宇宙终于觉醒了，并开始有了自我意识。 From a small blue planet, tiny, conscious parts of our universe 从一颗蓝
Earlier this afternoon the President gave another update on the situation in Haiti -- needless to say they still need help. Donate $10 to the Red Cross to be charged to your cell phone bill by texting
Over the next five minutes, 在接下来的5分钟里 my intention is to transform your relationship with sound. 我想把你们与声音的关系作个转变 Let me start with the observation that most of the sound around us is accidental, 首先，请允
The President addresses the American people from the Oval Office for the first time on the ongoing Administration-wide response to the BP oil spill and America’s clean energy future. Remarks by the Pr
