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视频简介

Brian Cox tackles some of the most challenging and intriguing questions facing science today by using his best material from past programmes and the latest scientific research. Episodes include… Space: How Far Can We Go?（太空：我们对宇宙的探索能走多远？） Brian believes we are at the start of a new age of space travel, where space flight is on the verge of becoming routine. In this episode, he ...。After six months of scientifically advanced training, three of the world's most elite distance runners set out to break the two-hour marathon barrier. These pioneers go on a global trek to defy the unthinkable and break the two-hour feat, from testing in wind tunnels and running labs in the United States, to balancing training with their day-to- day lives in eastern Af...。