6 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 ...。《浐灞长歌》以探索的角度纵观陕西西安的浐灞流域，近年来在考古大发现的过程中，解读西安八水中的（浐河与灞河）的历史足迹，并以再现历史，人文关怀，保护生态的态度，展示今天生活在浐灞流域的西安浐灞生态区人们对历史的敬畏，同时也在用自己的双手去复兴千年前的荣耀与辉煌，突出浐灞流域的人们对人类生态文明的贡献。。
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腾讯出品