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姜贤秀
回复 :地球是我们赖以生存的家，尽管对它并不陌生，但我们却很难了解它的全貌。本片通过在外太空的宇航员从飞行器上观测地球所拍摄的珍贵画面，记录了地球上的自然变化、地理地貌和大气层内发生的各种现象……让人吃惊的是从外太空看到的地球与我们的想象相关甚远，让我们随着摄像镜头一同感受神奇、瑰丽的地球村吧。
申承勋
回复 :Gandhi Mahaan, a school teacher, is abandoned by his family after he decides to live a life of his own, with personal freedom.
李英俊
回复 :NOVA: Mysteries of Sleep Like virtually every other animal, humans need sleep to survive. But why? What do we gain from spending nearly a third of our lives in such a defenseless state? And what's at stake if we sleep poorly? The functions of sleep have long been something of a mystery. But now scientists are peering deep into the brain to see what happens while we snooze. One study reveals that well-timed bursts of pink noise can nudge a person's brain waves, extending periods of slow-wave, or deep, sleep. And toddlers learning new words show that taking even a short nap after learning something new can help the information stick. And when it comes to sleeping poorly, it may turn out that having interrupted sleep can be just as harmful as missing sleep altogether. As scientists come to understand the powerful role that sleep -- or lack of it -- plays in everything from memory to trauma to emotion regulation, one thing is clear: This biological function is as crucial as it is complex.
