23 年前
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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 ...。《为何而舞》探访了世界各地不为人知的舞者，取景于墨西哥、美国、印度等地，展现了不同环境背景下的舞蹈文化。这些舞者的故事，或励志，或温暖，或悲情，或神秘，舞蹈正在改写着他们的人生。这些舞者试图通过舞蹈去寻找自己，与世界交流，并探索人生的意义。。
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