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.

太阳系的命运都写在星星上。天文学家正在天空中寻找壮观的宇宙事件，因为在遥远的未来，这类事件很可能会发生在我们身边。因此，他们用这种办法来预测太阳及其行星将如何终结。星系碰撞、行星熔化、生命消失，这就是世界末日。《地平线》将与这些现代先知一起向我们展现世界末日到来之时人类可能面对的人间地狱。

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 is BBC Two's flagship 50-minute science documentary series. In September 2004 it celebrated its 40th anniversary and it continues to enjoy outstanding critical acclaim. Recognised as the world leader in its field, it regularly wins a sweep of international science, medical and environmental film accolades, and has recently won the Royal Television Society Award and the Prix Italia. In 2002, the British Academy of Film & Television Arts presented Horizon with the BAFTA Television Award for Best Factual Series or Strand. In 2003 it won the prestigious Images et Science award for best medical documentary and the Carl von Linne Award at the Living Europe film festival in Sweden. That year, a Horizon co-production with WGBH Boston won the Emmy for best documentary.

究竟是哪里疼呢？从出生那一刻到最后离开这个世界，我们总在经历着疼痛。我们毕生都在努力避免它，但是疼痛却是我们生存的关键因素。该片借助遗传学、最新的扫描技术、虚拟现实技术和催眠术，为我们解开一些疼痛背后的奥秘。让我们一起了解为什么有些人觉得比其他人更痛，而有些人却根本不知道疼痛为何物，本片带我们共同发现为什么情绪和想法可以影响我们对疼痛的感知。

地球的形成离不开水，水对生命的延续至关重要。我们曾经认为海洋是地球独一无二的产物，但天文学家在太阳系发现了海洋的踪迹。也就是说，宇宙的某些地方也许存在我们从未想过的生命。《地平线》将开启一段史诗般的旅程，从土卫二的冰层垃圾到火星的史前海洋，以及土星最大的卫星土卫六泰坦的沼气湖：美国国家航空航天局计划将一艘潜水艇送上土卫六泰坦，并且潜入黑暗的湖底。我们是否即将发现生命并非地球独有，而是在太阳系无处不在呢？

Horizon follows the emotional journey of three young people with currently untreatable conditions to see if within their lifetime, they can be cured. 　　Sophie is desperate to discover if there's a medical breakthrough which will get her walking again - a car crash after celebrating her A level results left her paralysed from the waist down. Anthony's leg was amputated after a rugby accident on the eve of his eighteenth birthday. Will he ever be able to regrow his leg? Father of four Dean is desperate for a cure for his damaged heart to avoid an early death. They've all read the headlines about the astonishing potential of stem cells to heal the body. Now they've been given access to the pioneering scientists who could transform their lives. 　　With so much at stake, each meeting is highly emotional as our three young people find out if science can fix them.

为什么在八点钟在早上你更可能有心脏病，或下午两点钟在高速公路上撞坏你的车？在正确的时间吃药真的挽救你的生命？你是不是曾经想知道为什么青少年在上午很不想起床？ 　　这些问题的答案在生物钟的秘密。

第1集 　　在本集节目中团队提出了一个最基本的问题，猫如何通过看听和嗅，来认识周围的世界。对于人类来说视觉是主要的感官，那么猫呢？ 　　第2集 　　本节目将揭示你所喜爱的宠物，如何转变成好斗的猎食者。我们的猫和它们的大型猫科远亲有着相同的捕猎天性，它们也表现出了巡逻和保护自己领地的需要。但大型猫科动物是野生动物而猫找到了成为宠物的方法，那么它们是如何适应和发展出与人类共处的能力的呢。宠物猫似乎并不怕害我们，一些猫甚至积极地寻求我们的陪伴。 　　第3集 　　世界顶级的猫类科学家将进行一项史无前例的科学研究，来发现我们猫类朋友的秘密生活，向你展示不可思议的猫语，它们会发出颤音，会发出咘咘的有趣叫声。实验将向你展示猫如何让彼此知道它们是朋友亦或敌人，我们睡觉时它们有着不可思议的对话，以及它们为何如此让人喜爱。本期节目将向你揭示猫类的秘密语言以及它们对你的倾诉。

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 sun protection cream. She also finds out how sugar in our blood can make us look older, and explores an exciting new science called glycobiology, which promises a breakthrough in making us look younger.