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Nova ScienceNow examines the question of whether we can live forever. It looks scientists who are ex

随着政府的宣传呼吁，人们对水果的消费量越来越大，越来越多的人开始转向以水果为基础的产品。但是这些产品实际上会损害我们的健康吗？在过去10年中，加工水果的消耗量增加了40%，而新鲜水果的消费量却在下降。

This ground-breaking series tells the story of Europe in six glossy episodes exploring different cha

Since the creation of currency, money has made the world go round and people have done anything and

Featuring groundbreaking new science, experiments and leading scientists from a variety of disciplin

With breath-taking CGI, beautiful landscape footage and some of the world's most important astro

时间回到两万年前，那时，我们所在的地球是一个非常不同的世界。北半球被冰川覆盖，巨大的冰河冲下山谷，延伸到平原，随着海平面下降，大陆开始升起。体积庞大的长毛兽和凶猛的食肉动物统治世界，一些动物则选择迁徙

The incredible story of how Pluto has been propelled from an unremarkable ball of ice on the edge of

Just months ago, the world stood in fear of an emerging new disease that threatened to kill millions