13 年前
视频简介
Chronicles the life of a new stepfamily that meets up every weekend. But when the father gets into a relationship with a new partner, the weekends take on a whole different turn.。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 ...。
标签
抗日
传记
歌舞
海外精选
人物