视频简介
在熙熙攘攘的人群中,在匆匆忙忙的脚步中,我听到了一种声音,天使的声音,好人总有好梦,付出总有回报。遇见他不知道幸运还是不幸,我以为没有感情的关系,只要彼此相处融洽就可以了,可是当……。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 ...。From a refugee camp on the Turkish-Syrian border, an 8-year-old girl, EVLIN, characterizes the resistance of her homeland. Her heroes, the Kurdish female fighters, are defending the city of Kobane against the onslaught by ISIS militants. The power of the human spirit emanates through Evlin as she shows us that hope and resilience prevail even in the most tragic of circumstances...。