视频简介
Peter Tchaikovsky created some of the most romantic and beloved music ever. Surely he must have a man sensitivities for above human passions and pitfalls. Not so, says Ken Russell (Women in Love, Crimes of Passion), director of the lavish Tchaikovsky bio-pic The Music Lovers. Declaring that he was “fed up with the reverential treatment of musical heroes,” Russell sold his film ...。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 ...。