Changes to the bacteria that live inside all of us are responsible for increasing the number of people with allergies, suggests new research. 　　In this episode of Horizon, the show investigates this claim by conducting a unique experiment with two allergic families in order to find out just what it is in the modern world that is to blame. With a raft of mini cameras, GPS units an...

Dr Kevin Fong explores a medical revolution that promises to help us live longer, healthier lives. Inspired by the boom in health-related apps and gadgets, it's all about novel ways we can monitor ourselves around the clock. How we exercise, how we sleep, even how we sit. 　　Some doctors are now prescribing apps the way they once prescribed pills. Kevin meets the pioneers of this ...

BBC纪录片《油糖陷阱》本片通过真人测试发现：单独吃糖或脂肪，短期内都可减轻体重；造成肥胖问题的根源是“糖油混合物”；不摄取糖分反而易得糖尿病

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。

When pioneering developmental psychologist Professor Uta Frith started her training back in the 1960s, she met a group of beautiful, bright-eyed young children who seemed completely detached from the rest of the world. 　　It turned out they had just been given the then-new diagnosis of autism. Uta passionately wanted to know more about these children, and they inspired her to dedi...

作为一个物种，我们总认为自己很聪明，是理性动物，能做出理智的决定。但或许我们该重新思考一下。每当我们做决定时，我们的直觉和逻辑就会展开一场斗争，而直觉的力量常常超乎我们想象。这种冲突影响我们生活的方方面面，比如饮食、习惯、信仰等。我们对人类心智的理解将发生变革，丹尼尔?卡恩曼教授将对这场变革进行阐述

人们总说宇宙很大，但是它到底有多大？科学家制定了一项雄心勃勃的计划，要画出一幅完整的宇宙地图。然而在可观测宇宙中，有1700亿个类似银河系的星系，不单这些星系在移动，整个宇宙也并非静止不动，甚至有科学家认为，在我们的宇宙以外，还存在着无数个宇宙。究竟宇宙有多大？怎样才能画出它的全貌？研究人员借助最先进的天文观测设备，调动整个小镇的普通居民展开人工作业，以事实验证前人的理论，并得出了震惊世界的结论。

Horizon: The Truth About Looking Young Plastic surgeon Dr Rozina Ali leaves the operating theatre behind for the frontiers of skin science and asks if it is possible to make your skin look younger without surgery. She discovers the latest research about how the foods we eat can protect our skin from damage, and how a chemical found in a squid's eye is at the forefront of a new ...

On a bright, cold morning on 15th February 2013, a meteorite ripped across the skies above the Ural mountains in Russia, distintegrating into three pieces and exploding with the force of 20 Hiroshimas. It was a stark reminder that the Earth's journey through space is fraught with danger. A day later another much larger 14,3000 tonne asteroid, passed within just 17,000 miles of ...

Taste is our most indulgent sense but it is only in recent years that we have started to understand why we really love the foods we do - and it is a lot more surprising than you might think. 　　There may a way to make food taste sweeter without adding any extra sugar and it is all down to a trick that happens in your brain. Horizon meets the scientist who has grown the perfect tom...

Dr Kevin Fong finds out how doctors can avoid making mistakes in the high-pressure, high-stakes world of the operating theatre. 　　He sets out to learn how other professionals make life and death decisions under pressure, from airline pilots facing emergencies, to the Fire Service dealing with lethal blazes, to the world of Formula One pit crews. Kevin discovers how all these fiel...

《我们诞生在中国》摄制背后纪录片

U型潜艇是特指在第一次和第二次世界大战中，德国使用的潜艇。由于德国潜艇的编号都使用德文“Untersee-boot” 也就是“潜艇”的意思（英文为U-boat）的首字母U加数字命名。1945年一艘U-745纳粹潜艇失踪，舰长冰冻的尸体在一处岛屿被发现。近70年来，这艘潜艇的下落依然成谜。 如今经过十多年的辛苦研究和水下探索，一组芬兰潜水队终于解开了这个谜，而在过程中还破解了一个迷思，并发现了一种某些人宣称从未建造过的潜艇。

爱丽斯·罗伯茨教授身怀着她的第二个孩子，她想在他出生之前探索“人之为人”这个问题。人类基因中有99%的部分是与黑猩猩相同的；然而从出生的那一刻起，人类的生活就完全不一样。所以，人类是否仅仅是一个普通的物种，抑或人类有特殊之处？ 　　爱丽斯教授探索了我们的身体结构、我们的基因、以及最终我们的大脑，试图发现什么终究造就了人类。

In Los Angeles, a remarkable experiment is underway; the police are trying to predict crime, before it even happens. 　　At the heart of the city of London, one trader believes that he has found the secret of making billions with maths. In South Africa, astronomers are attempting to catalogue the entire cosmos. These very different worlds are united by one thing - an extraordinary ...

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·法伦教授一直致力于人脑中精神病迹象的研究，他发现这种标签化的定义太过主观和个人化。影片将进一步采访多位科学家，他们试图用全新的理念去重写大众心中对于道德审判下的罪与罚。 　　地平线系列纪录片是英国广播公司BBC制作的一档流行并且播放已久的科学纪录片，于1964年5月2日首播，到2013年为止已有49个系列超过1100集。本系列纪录片从历史、人文、宗教、地理、设计、艺术、生物、哲学、环保、伦理等多个方面，提供世界上最伟大科学家和哲学家一个可以交流他们看法和观点的平...

Michael Mosley explores the latest science about how our personalities are created - and whether they can be changed. 　　Despite appearances, Mosley is a pessimist who constantly frets about the future. He wants to worry less and become more of an optimist. 　　He tries out two techniques to change this aspect of his personality - with surprising results. 　　And he travels to the frontie...

我们做的锻炼大部分是无效的？运动能消耗多少卡路里？去除脂肪的最佳方法是什么？一周只锻炼三分钟就够了？久坐真的是健康杀手吗？Michael Mosley通过亲身实践，得出了一些关于锻炼的惊人真相，帮助人们走出误区，获得健康长寿。

The secret Nazi death camp at Sobibor was created solely for the mass extermination of Jews. But on the 14th October 1943, in one of the biggest and most successful prison revolts of WWII, the inmates fought back.

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...

1969年7月是太空竞赛的一个终点。为了全人类的梦想。三名宇航员带着凭着极大的勇气和信念奔向月球。导演阿尔·莱纳所拍摄的这部奥斯卡奖记录长片，完整而真实地记录了这一人类历史最伟大的勇气之旅。这部具有伟大意义而又珍贵的影片，也同样是标准公司的一大宝藏，这次为你完整呈现。