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二战期间，盟国面临着一个致命威胁，那就是德国很可能制造出原子弹。一群抵抗战士奉命摧毁挪威一家水电厂的重水设施。于是，希特勒的原子弹计划在轰隆一声巨响中化为了泡影。。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 ...。