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1984 was not a leap into the future-but a look at the dangers already present-in Orwell's lifetime. The Road to 1984 intertwines vision and reality. It displays the passion and chronicles the career of Orwell--who warned us of what could happen if we stayed on that road--his road to 1948 and ours to 1984. Written by Anonymous。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 ...。It was the world's last Islamic empire - a super-power of a million square miles. From its capital in Istanbul it matched the glories of Ancient Rome. And after six centuries in power it collapsed less than a hundred years ago. Rageh Omaar sets out to discover why the Ottomans have vanished from our understanding of the history of Europe. Why so few realise the importance of Ot...。