狗对人类的忠诚和热情让很多人为之动容，但是，你知道吗，这不仅是电影里的故事，在现实生活中，狗也真的可以成为人类的得力助手。在美国亚特兰大市的郊外，就有一座协助犬培训基地，创始人詹妮佛·阿诺德和自己的家人在这里训练了一批又一批的协助犬，给无数的残疾人带来了生活上的便利和新的希望。（哔哩哔哩纪录片）

When a best-selling author has a midlife crisis, he returns to his coastal hometown and embarks on a wild adventure in a desperate attempt to reclaim his youth.

宇宙中四分之一的物质仍处于未知的状态。我们知道它们对天空的影响，但是从未亲眼目睹，也无从解释。这种神秘的东西叫做暗物质。科学家们希望他们能确定暗物质的成分，并借此找到宇宙谜团中的关键物质，同时能够解开粒子物理学中标准模型的一些问题。从瑞士的欧洲核研究组织到智利的望远镜，《地平线》见到了一些科学家，他们试图解决宇宙中最大的谜题，并提出问题，研究的成败对物理学的未来意味着什么。

An anthropology student brings some of his classmates to his family ranch, where his brother lives in a haze of drugs, guilt, and Chumash Indian rituals.

https://www.bbc.co.uk/iplayer/episode/b0bb33ht/horizon-2018-3-how-to-build-a-time-machine　　Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how to subvert them than we do now. And every day, science does learn more. In this film Horizon meets the scientists working on the cutting edge of discov...

This episode looks at the issues that will change the way we live our lives in the future. Rather than relying on the minds of science fiction writers, mathematician Hannah Fry delves into the data we have today to provide an evidence-based vision of tomorrow. With the help of the BBC's science experts - and a few surprise guests - Hannah investigates the questions the British ...

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 ...

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 ...

When a man accidentally kills his brother with an ax, his fiancée is determined not to let even murder stand in the way of their happiness.

FEEL RICH: HEALTH IS THE NEW WEALTH documents the nascent self-love revolution emerging in urban communities. Narrated by Quincy Jones III, the film features interviews with iconic artists, producers, urban farmers and meditators who have made dramatic changes in their lives by opening themselves up to new ideas about what it means to be rich. Our audience will embark on a jour...

Samuel forsakes his harsh religious upbringing to live his own life but his soul remains caught between the world and the faith he left behind.

这部纪录片将镜头对准了大厨马斯莫·泊图拉。他在2015 年米兰世博会期间开了一个救济厨房，用世博会浪费的食物制作美食，分发给需要的人。

In 2016 filmmaker/photographer Pete McBride and writer Kevin Fedarko set out on a 750-mile journey on foot through the entire length of the Grand Canyon. More people have stood on the moon than have accomplished this task. Their quest was more than just an endurance test — it was also a way to draw attention to the unprecedented threats facing one of our most revered landscapes...

Blackholesstandatthelimitofwhatwecanknow.Toexplorethatedgeofknowledge,theEventHorizonTelescopelinksobservatoriesacrosstheworldtosimulateanearth-sizedinstrument.Withthistooltheteampursuesthefirst-everpictureofablackhole,resultinginanimageseenbybillionsofpeopleinApril2019.Meanwhile,Hawkingandhisteamattacktheblackholeparadoxattheheartoftheoreticalphysics-Dopredictivelawsstillfunction,eveninthesemassivedistortionsofspaceandtime?Weavingthemtogetherisathirdstrand,philosophicalandexploratoryusingexpressiveanimation."Edge"isaboutpracticingscienceatthehighestlevel,afilmwhereobservation,theory,andphilosophycombinetograspthesemostmysteriousobjects.

1. "Nothing but the Truth" (3 January 1995) 　　Successful but over-worked barrister James Kavanagh defends David Armstrong, played by Ewan MacGregor, a Cambridge student of impeccable background who is accused of rape by Eve Kendall, played by Alison Steadman, the wife of his employer. Eve's husband Alan is having an affair and she is lonely, which, at first sight, makes her seem ...

历代科学家都在被“宇宙中的万物到底从何而来”和“宇宙是如何诞生的”的这两大难题所困扰。近一百年，我们似乎找到了答案：宇宙是在过去有限的时间之前，由一个密度极大且温度极高的太初状态演变而来的，并经过不断的膨胀与繁衍到达今天的状态。由此宇宙大爆炸一说，得到了当今科学研究和观测最广泛且最精确的支持。 　　然而这一等同于科学事实的理论，却遭到一些科学家的质疑。他们相信大爆炸并不是宇宙真正的开始，我们的宇宙在此之前就可能有过生命迹象。这个可能会严重影响、甚至颠覆当今宇宙学支柱的理论，到底成立与否？就让我们共赴此次未知的极限之旅，去探索这个令人眼花缭乱的深奥谜团——宇宙大爆炸之前，到底发生了什么。

非洲，人类诞生的地方。20万年来，人类一直在这辽阔大陆上安身立命。这块位处世界中央的不动陆地，似乎自盘古初开以来就一直存在。但事实并非如此，科学家正逐步拆解，非洲大陆的惊人历史。只要找对地方，就会发现许多有关线索，揭示非洲大陆不为人知的动荡岁月。从失落已久的远古大陆分裂出来，非洲见证了开天辟地的威力，一股力量亦令这片大陆面目全非。这段沧桑岁月，带来了非洲大陆今天的种种面貌。野生动物，贫穷与财富，甚至古文明。现时非洲大陆处于转变的关头。那股创造出这片大陆的力量将会摧毁它 。 　　澳洲，它在我们印象之中是偏远孤绝。看似千百万年恒久不变，但其实澳洲有一段截然不同的历史。科学家开始探索钻研，在炙热的沙漠焦土下，发现到一些能揭示过去的蛛丝马迹。它们写在石上，藏于大地中，我们无意中找到一些很特别的东西。令人非常兴奋，甚至在现存的动物身上。这些线索揭示出澳洲与别不同，...