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 ...

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...

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。

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…

这部细腻的纪录片跟随拍摄摇滚明星阿提瓦拉·孔马莱，讲述了他2017 年在泰国进行的富有历史意义的2215 公里慈善长跑

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.

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，以寻找这些问题的答案，并追问是否会有更多陷穴在我们身边出现。

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...

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 national screening procedure to detect the earliest signs of bowel cancer, Mosley sets out to discover which if any of the tests are worth doing.

This is the story of how our solar system will be transformed by the aging sun before coming to a spectacular end in about eight billion years. Astronomers can peer into the far future to predict how it will happen by analysing distant galaxies, stars and even planets in their final moments. 　　In this film, Horizon brings these predictions to life in a peaceful midwestern town th...

水是生命之源，科学家用望远镜和探测器寻找地球之外的水源，从地球环境模拟生态演变，发现太阳系的多颗行星和卫星都有汪洋迹象，并可能有生命存活至今。我们苦苦寻找的外星生命，也许就近在身边，这结论挺叫人兴奋的。

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？

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，由于冰山移动，哈雷研究站可能会随着巨大的冰山飘向远方。

由众多科学家和工程师研发接近30年的“卡西尼号”太空探测器在经过长达近7年的漫长太空旅行之后，顺利进入环绕土星转动的轨道，开始对土星大气、光环和卫星进行历时4年的科学考察。卡西尼号”还携带了探测土星最大卫星土卫六的探测器，取名为“惠更斯号”。在探测任务20年后，卡西尼号土星探测器燃料将尽，科学家控制其向土星坠毁，在此之后，卡西尼号与地球失去联系，它进入土星大气层燃烧成为土星的一部分。在卡西尼号毁灭的最后一秒钟，它都坚守使命，往地球传输数据，最后才壮烈冲向大气层。

Horizon is an ongoing and long-running British documentary television series on BBC that covers science and philosophy.

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...  两年过去了，大厅的新主人蓝鲸准备开门迎接来自世界各地的游客。

For decades some have suspected that there might be others out there, intelligent beings capable of communicating with us, even visiting our world. It might sound like science fiction, but today scientists from across the globe are scouring the universe for signals from extraterrestrials. 　　In 2006, husband and wife team Duncan Lorimer and Maura McLaughlin discovered an enigmatic...

ADHD指注意缺陷多动障碍，又称多动症。英国著名喜剧演员Rory Bremner受到多动症的困扰，他采访医疗机构，尝试新药，了解ADHD背后的科学

A few weeks ago, the National Health Service was hit by a widespread and devastating cyber attack - Horizon tells the inside story of one of the most challenging days in the history of the NHS. 　　On the morning of 12 May the attack started. Appointment systems, pathology labs, x-rays and even CT scanners were infected - putting not just data but patients lives at risk, and on eve...

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 have helped to destroy our environment, poisoned the air we breathe and killed us in far more straightforward ways. But all that is going to change. 　　This episode enters a world where cars can drive themselves, a world where we are ...

修建在南极布伦特冰架上的英国最尖端科学考察站哈利六号（Halley VI）遇到麻烦，巨大冰裂缝距离科考站只有6公里。本片讲述为价值近3千万英镑的哈利搬家的艰难工程。 　　Last year, Natalie Hewit documented the British Antarctic Survey’s attempt to drag Halley VI, its 981-tonne research station, 23km to a safer location as the Brunt ice shelf it stands on begins to break up. The “beakers” – the science folk – make up a small minority of those involved – there are ...

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 extraordinary than those on our own home planet. 　　Horizon follows an international team of volcanologists in Iceland as they draw fascinating parallels between the volcanoes on Earth and those elsewhere in the solar system. Through the...