Twelve years ago, I picked up a camera for the first time to film the olive harvest in a Palestinian village in the West Bank. 十二年前，我第一次拿起相机，去拍摄一个位于约旦河西岸的巴勒斯坦村庄的橄榄收割活动 I thought I was there to make a
Remarks of President Barack ObamaWeekly Address Saturday, March 28, 2009Washington, DCEven as we face an economic crisis which demands our constant focus, forces of nature can also intervene in ways t
It's shocking to realize that only 28 percent of American adults 你们或许会惊讶于，只有28%的美国成年人 have even a very basic level of science literacy, 具备基本的科学知识， and this was tested by asking simple questions like,
