11 年前
视频简介
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 ...。影片讲述了一个职业罪犯被墨西哥警方抓捕后送往一个充满毒品和犯罪的监狱，在一个9岁男孩的帮助下，他学会了如何在这样的监狱里生存下来。。
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