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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

An anthropology student brings some of his classmates to his family ranch, where his brother lives i

Trapped in an abandoned insane asylum, five college students and the rogue scientists who abducted t

玲（梁艺玲）为警方卧底，假扮舞女混进夜总会查案。玲母（谭倩红）误会玲自甘堕落，与她断绝母女关系。玲亦厌倦多年来的边缘生活，向上司麦Sir辞职，却未获接纳。 玲向来得黑社会大哥范叔（吕剑光）照顾，故视他

https://www.bbc.co.uk/iplayer/episode/b0bb33ht/horizon-2018-3-how-to-build-a-time-machine　　Time trav

This episode looks at the issues that will change the way we live our lives in the future. Rather th

The car has shrunk the world, increased personal freedom and in so many ways expanded our horizons,

Most of us think that Obsessive Compulsive Disorder (OCD) is just over fussy tidying. But it's a

When a man accidentally kills his brother with an ax, his fiancée is determined not to let even murd

　　Porn has gone mainstream; the question is, can we handle it? This exploration of the intersection