The President honors the New Orleans Saints for their Super Bowl victory and speaks of the role the team has played in helping New Orleans recover from the devastation from Hurricane Katrina. The Pres
See, I knew nothing about being a stay-at-home parent, and once I embraced the fact that I knew nothing, 所以说，我对做全职育儿一无所知，而一旦我接受了一无所知这个事实， I began to learn from my new managers. 我开始从新的领导那里学习。 And I alw
But not all of you -- But not all of you have been so blessed. You are HIV positive, but dare not say it. You have lost loved ones, but you dare not whisper the word AIDS. You weep silently. You griev
我们都身处在由朋友、家人、同事等所构建的庞大的社会网络之中。波士顿哈佛大学医学院的医学社会学家尼古拉斯 克里斯塔基斯Nicholas Christakis追踪发现了一系列的特质──诸如快乐和肥胖──是如何从一个人传递到另一个人的，解释了你在社会网络中所处的地位是如何以你意想不到的方式影响着你的生活。 Nicholas Christakis：The hidden influence of socia
