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A quirky, aspiring actress is determined to make her dreams come true in Hollywood, but first she's got to overcome her biggest obstacle - herself.。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 ...。古埃及让人感到神秘，有关它的传说让人浮想联翩。考古学家一直借助最新的考古发现和新技术去了解这个古代的文明。本片揭秘了10个最新的埃及考古发现，这些发现让我们有机会更加直观的认识埃及的历史，了解生活在那个时代的人与事。。