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Peter Leonard
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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。
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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...
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Peter Leonard
主演：
Uta Frith
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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 ...
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导演：
Peter Leonard,Liz Clare
主演：
吉米·卡尔,Sara Algoe,Robin Dunbar
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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？
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导演：
Peter Leonard,Simon Winchcombe
主演：
Sara Pascoe
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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 ...