简介：New planets are now being discovered outside our solar system on a regular basis, and these strange new worlds are forcing scientists to rewrite the h

简介：2013年2月28日，佛罗里达坦帕市东郊住宅区，正在熟睡中的杰夫·布什和他的卧室突然消失得无影无踪。可怕的是，他消失前毫无征兆，杰夫从此杳无音信。他被陷穴吞没了。那么，陷穴是如何形成的？对于陷穴我们能做些什么？在这个不可思议的地理侦探故事片中，伊恩·斯图尔特博士发掘了地球几百万年的历史，以寻找这些问

简介：There are about 600 murders each year in the UK. So, what drives people to kill? Are some people born to kill or are they driven to it by circumstance

简介：Michael Mosley puts himself through a battery of health tests available to people who feel perfectly well. From an expensive heart scan to a new natio

简介：一名精干的国际刑警组织探员被派往东欧地区，带领着一只专干小分队去整个巴尔干地区调查相关贩卖枪支走私案。在一次调查俄国枪支经销商的过程中，小分队不幸与吉普赛黑帮交火并发生了街头驳火枪战，其中一名队员不幸牺牲。探员心中充满了怒火，为了替兄弟报仇，他上演了一场惊心动魄的复仇之战。

简介：人为什么会笑？笑的本质是什么？笑声在社交中有什么作用？大脑能分辨真笑和假笑吗？存在全世界通行的喜剧吗？

简介：去过伦敦自然历史博物馆的人肯定都知道里面的巨型恐龙的骨架。一个多世纪以来，它吸引了数百万的参观者来到博物馆，但是任何明星都会迎来他最终谢幕的一天，这副恐龙骨架也不例外。2015年初，自然历史博物馆的馆长对外宣布，这副占据了整个大厅的梁龙骨架就要退休了，取代它的将是一副蓝鲸的骨架...  两

简介：The car has shrunk the world, increased personal freedom and in so many ways expanded our horizons, but there is a flipside. Fumes from car exhausts h

简介：Volcanoes have long helped shape the Earth. But what is less well known is that there are volcanoes on other planets and moons that are even more extr

简介：In this unique documentary Pope Francis opens the Vatican’s doors to the world, and guides us, with his voice over, discovering his personal and passi