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。

Horizon looks at dark energy - the mysterious force that is unexpectedly causing the universe's expansion to speed up. The effects of dark energy were discovered in 1998 but physicists still don't know what it is. Worse, its very existence calls into question Albert Einstein's general theory of relativity - the cornerstone of modern physics. The hunt for the identity of dark en...

Dr Michael Mosley seeks to establish the truth about meat. Are those barbecue favourites like burgers and sausages really that bad? Should we all go vegetarian instead? 　　Michael uncovers the latest science and puts it to the test on a high-meat diet. Will eating beef and bacon every day be bad for him? What meat should a healthy carnivore be buying?

从保龄球大小的冰雹到扭曲的龙卷风，地球上的天气可以说是无奇不有，但即使是我们见过的最极端的天气也无法和太阳系其他行星或宇宙中数百万光年以外的行星上的天气相比。通过参观先进的实验室和使用神奇的CGI图像，《地平线》将再现这些行星上的天气，并构建出一个任何科幻小说作者都无法想法的世界。

Alice Roberts explores the latest discoveries in the study of human origins, revealing the transformation that has been brought about in this field by genetics. 　　Traditional paleo-anthropology, based on fossils, is being transformed by advanced genome sequencing techniques. We now know that there were at least four other distinct species of human on the planet at the same time a...

The Ebola virus. No-one knows exactly where it comes from but one thing is certain - it's one of the most virulent infections known to science. This special episode of Horizon meets the scientists and doctors from all around the world looking for the cure and hears first-hand accounts of what it's actually like to catch - and survive - this terrible disease.

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 Michael Mosley seeks to establish the truth about meat. Every year, humans raise and eat 65 billion animals - nine animals for every person on the globe. In this eye-opening documentary, Michael examines the impact that this is having on the planet and finds out what meat eco-friendly carnivores should be buying. Is it better to buy free-range organic or factory-farmed meat?...

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。

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...

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 ...

Horizon reveals how new archaeological discoveries are painting a different picture of the very first native Britons. For centuries it's been thought that these hunter-gatherers lived a brutal, hand-to-mouth existence. But extraordinary new evidence has forced scientists to rethink who these people were, where they came from and what impact they had on our early history. 　　Now, o...

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.

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...

The team investigate the use of modern medical technology to scan Egyptian animal mummies from museums across the world. By creating 3-D images of their content, experts are discovering the truth about the strange role animals played in ancient Egyptian belief. 　　This episode of Horizon meets the scientists working in Egypt who are exploring the ancient underground catacombs wher...

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。

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

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 ...

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...

They are the miracle pills that shouldn't really work at all. Placebos come in all shapes and sizes, but they contain no active ingredient. Now they are being shown to help treat pain, depression and even alleviate some of the symptoms of Parkinson's disease. Horizon explores why they work, and how we could all benefit from the hidden power of the placebo.