实质上它就是一个故事，另外两位作家卡尔·萨菲纳和乔尔·阿肯巴克乎对此有更深的体会。
It is a story in itself, something which two other writers, Carl Safina and Joel Achenbach seem to appreciate best.
物理学家维尔纳·海森堡(左)受到哲学家卡尔·波普尔(右)的挑战，针对其测不准原理的悖论。
Physicist Werner Heisenberg, left, was challenged by the philosopher Karl Popper, right, to defend his paradoxical uncertainty principle.
加利福尼亚，萨克拉门托21岁的卡尔顿在库纳尔省巡山，寻找战斗激进分子的位置。
51Pfc. Garrick Carlton, 21, of Sacramento, Calif., patrols up a mountain looking for an insurgent fighting position in Kunar province.
加利福尼亚，萨克拉门托21岁的卡尔顿在库纳尔省巡山，寻找战斗激进分子的位置。
51Pfc. Garrick Carlton, 21, of Sacramento, Calif., patrols up a mountain looking for an insurgent fighting position in Kunar province.
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