简介：We all know the main story of Abraham Lincoln's death, how he was killed, where it took place, and who pulled the trigger. But what exactly happen

简介：National Geographic will release a new documentary film this year about the extreme climber Alex Lowe. Directed by Lowe’s son Max, Torn will explore h

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简介：In April 2013, chaos erupted in Boston near the finish line of one of the world's oldest and most prestigious marathons. It was the worst terroris

简介：A revealing and personal profile of Grammy Award–winning composer and producer David Foster, with interviews from the artists who know the music legen

简介：Children in Gaza and across the border in Israel have lived through three major conflicts in six years. In the summer of 2014, more than 500 children

简介：This episode looks at the issues that will change the way we live our lives in the future. Rather than relying on the minds of science fiction writers

简介：BBC气象员彼得?吉布斯冲动地回到了他曾经生活和工作过的英国南极调查局哈雷研究站。当时，哈雷研究站在臭氧空洞的发现中起到了重要作用，而今天，它仍然在诸多领域作出了许多重要的发现，例如：人类生活如何受到太阳活动的影响、星际旅行研究、以及人类导致的气候变化所产生的威胁等。彼得此行还肩负着救援的使命，由于

简介：在人類出現以前，地球是巨獸的天下。這個讓人大開眼界的特別節目，要為觀眾細數曾經出現在世上體型最大的動物，同時揭露這些超大物種不為人知的祕密生活。從翼展和飛機一樣長的大鳥，到體型和一架波音737噴射客機不相上下的恐龍，這部大量使用電腦動畫的特別節目，要尋找這些巨獸背後的真相，列舉其中最大的十種和最驚人

简介：本部纪录片是BBC地平线系列推出的一档探讨“你是善良的还是邪恶的”为命题的纪录片。这个看似简单但却令人异常不安的问题，将由本片带你一同去寻找答案。摄制组采访了多位研究人员，他们一直在研究心理变态杀手的“邪恶”。然而并非像这些科学家预期的那样，这些在牢狱高墙背后，看似可怕的杀手就是“邪恶”的。吉姆·法