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 history of our own solar system. Far from a simple story of stable orbits, the creation of our solar system is a tale of hellfire, chaos and planetary pinball. 　　It's a miracle our Earth is here at all.

自从人类文明伊始酒精就被用作一种药物，但是关于酒精的科学似乎含糊不清而且充满了矛盾。我们对市售药品及其疗效相对比较熟悉，但是对其作用原理及对人体的影响却所知甚少。我们将调查有关酒精的证据，很多人认为每天适度饮酒对我们的身体健康不会产生太大影响，许多人认为每天少量饮酒其实对人体健康是有益的。而我们很多人喝酒不是这样，不是每天少量饮酒而是平时几乎滴酒不沾，到周末的时候才豪饮两三次；或者是邀上好友共进晚餐喝大量的葡萄酒；或者喝些鸡尾酒或烈酒。豪饮的危害到底有多大呢？我们马上来揭晓答案…

In 2014, the International Space Station had to move three times to avoid lethal chunks of space debris and there is an increasing problem of satellites mysteriously breaking down. With first-hand accounts from astronauts and experts, Horizon reveals the scale of the problem of space junk. Our planet is surrounded by hundreds of millions of pieces of junk moving at 17,000 miles...

Most of us think that Obsessive Compulsive Disorder (OCD) is just over fussy tidying. But it's actually much more serious. Sophie has to check that she hasn't killed people, looking for dead bodies wherever she goes, Richard is terrified of touching the bin, and Nanda is about to have pioneering brain surgery to stop her worrying about components on her body - that her eyebrow ...

Imagine a world where dinosaurs still walk the earth. A world where the Germans won World War II and you are president of the United States. Imagine a world where the laws of physics no longer apply and where infinite copies of you are playing out every storyline of your life. 　　It sounds like a plot stolen straight from Hollywood, but far from it. This is the multiverse. 　　Until v...

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 circumstances? 　　In this programme, Michael Mosley delves into the BBC archives to chart scientists' progress as they probed the mind of the murderer to try to understand why people kill, and to find out whether by understanding murder we can p...

BBC 电子游戏自诞生之日起，媒体与学界对其进行的争论就从未停息。有人说它使人成瘾，有人说它让人变得暴力……然而这些都是真的吗？电子游戏真的有那么坏吗？《地平线》将带你回顾三十年来学界对其进行的各项研究，从科学角度阐释电子游戏对人脑产生的影响，以及它可能为我们带来的益处。

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的發現。從帶領觀眾見識最近才剛出土、體型大過先前所有恐龍的恐龍骨頭，到分析七公尺巨鳥的飛行技術，揭開讓這些動物在世上興盛繁衍的特殊適應技能。本節目使用視覺特效和讓人嘖嘖稱奇的尺寸比較，鮮活、生動地呈現這些讓人屏息的巨獸。

He made perhaps the most dramatic shot in the history of NCAA basketball tournament. He's the only player to start in four consecutive Final Fours, and was instrumental in Duke winning two national championships. He had looks, smarts and games. So why has Christian Laettner been disliked so intensely by so many for so long? Maybe it was the he stomped on the chest of a downed p...

Sixteen mustangs, four men, one dream: to ride border to border, Mexico to Canada, up the spine of the American West. The documentary tracks four fresh-out-of-college buddies as they take on wild mustangs to be their trusted mounts, and set out on the adventure of a lifetime. Their wildness of spirit, in both man and horse, is quickly dwarfed by the wilderness they must navigat...

本片讲述从伊丽莎白女王的父亲乔治六世去世，到威廉王子和凯特·米德尔顿的婚礼，其中很详细地介绍了女王在戴安娜与英国皇室的关系维系中所做的努力。这是关于年轻的公主如何成长为伟大的女王的真实故事。

1971年，一群人航行驶入一个核试验区，他们的抗议活动影响了全世界。电影利用罕见的档案片段展现了他们非凡独特的时间，讲述了绿色和平组织先驱者的故事，是他们定义并引领了现代绿色和平运动。

位于印度北部的梅鲁山是所有登山者心目中的梦想，那么神圣，那么美好，也那么的遥不可及。由于此地过于恶劣的地貌和气候，从古至今，没有一支队伍能够成功登顶梅鲁山。这样一座传说中的巅峰吸引了登山者康拉德（康拉德·安科尔 Conrad Anker 饰）的注意，很快，他就组建了自己 的团队——由他的老搭档金国威和一位名叫瑞南（瑞南·阿兹特克 Renan Ozturk 饰）的美国人组成。 　　在完成了万全的准备之后，三人开始了他们的登顶之旅。一路上，无数的艰难险阻在等待着他们，在这里，只要踏错一步，留给一行人的就只有失败和死亡。变化莫测的天气和极度短缺的资源都大大增加了这场攀登的难度。

An amazing tour perfomed by Taylor Swift,who is an incredible singer.She invited many people to the tour.You can see Karlie Kloss,Selena Gomes,Justin Timberlake,Mick Jagger and so on.Just enjoy this wonderful trip with Taylor Swift.

麻省理工学院语言学的荣誉退休教授诺姆·乔姆斯基一直以来抨击美国政策，甚至受到生命危险。这次纪录片从他的访谈中揭示了半世纪以来美国的政策如何制造了一个经济上空前不平等的国家。感觉他和迈克尔·摩尔应该成为好朋友。

忘掉大爆炸吧！所有关于宇宙诞生的赞誉都给了它，而实际上大爆炸的即刻结果是一片漆黑和虚无。那时的宇宙没有恒星，没有星系，只有一团气体；这是宇宙历史上的黑暗时代。然而，在这样的状态持续了一亿年之后，一个真正的剧变时刻来临了。这是第一批恒星形成的时刻，宇宙第一次被点亮的时刻，宇宙的最初结构和生命的第一批原料诞生的时刻。寰宇初曦，创世纪的真正时刻。

Created by the monarch, Dukedoms are gradually becoming extinct - the last one was created by Queen Victoria. In this one-off documentary Michael Waldman meets some of the last vestiges of this level of British aristocracy, and asks what has become of those who remain. 　　In 2012 South African Bruce Murray found himself becoming the 12th Duke of Atholl and heading up the only priv...