Speaking from 54 years' experience, the world towards a more perfect union is a never-ending concern that involves each every one of us. Evidence that our nation is becoming a better place is ever
It's funny for you, isn't it? Twenty years ago, in the last months of her life, my mother campaigned to draw attention to the horrific and indiscriminate impact of landmines. She visited affected area
当游戏设计者Jane McGonigal发现他自己在卧床不起甚至想自杀之后明白了如何好起来。她开始钻进科学研究，并且创造出有治愈效果的游戏“非常棒”。在这个感人的演讲中，McGonigal 解释了一个游戏如何能够增强人们的适应力，并且还保证能为你的生命额度增加7.5分钟！ Jane McGonigal: The game that can give you 10 extra
April 17, 2008 THE PRESIDENT: Thanks for coming. Please be seated -- and welcome to the Rose Garden. And thanks for bringing such good weather. (Laughter.) Laura and I are thrilled you're here, and we
