奥巴马总统每周电台演讲:大力发展可持续发展的经济
Today, I’m speaking to you from Indonesia as I finish up my trip to the Asia Pacific – the region where we do most of our trade and sell most of our exports. And over the past week, the progress we’ve
奥普拉2013在哈佛大学(1)
Oh my goodness! I'm at Harvard! Wow! 哦 我的天哪!我终于来到哈佛了!哇哦! To president Faust, my fellow honorands, Carl, that was so beautiful. Thank you so much. And James Rothenberg, Stephanie Wilson. 福斯特校长 以及各位
TED演讲之入门 细菌是怎样交流的(9)
Of course, you've just heard and you already know that we're running out of antibiotics. 当然,你一定听说过,而且你早就知道了,我们快要没有有效的抗生素了。 Bacteria are incredibly multi-drug-resistant right now, and that's because al
奥巴马演讲:Speeding Up the Race to the Top
Ed. Note: BlogHer is soliciting questions on the Obama Administration and education from their readers for a live online video chat tomorrow here at WhiteHouse.gov. Go join their thread, and come back
TED演讲之2.0版城市:城市与企业中的奇妙数学(1)
Cities are the crucible of civilization. 城市是文明的熔炉 They have been expanding, 它们一直在扩张 urbanization has been expanding, 城市化的扩张速度 at an exponential rate in the last 200 years 在过去的200年里变得越来越快 so that by th