Horizon goes behind the scenes at NASA as they countdown to the landing of a 2.5 billion-dollar rover on the surface of Mars. In six days time, the nuclear-powered vehicle - the size of a car - will be winched down onto the surface of the Red Planet from a rocket-powered crane. That's if things go according to plan: Mars has become known as the Bermuda Triangle of space because...
寄生或病毒攻击就像身体内狂暴的过山车，能导致骇人的有时甚至是致命的变化。生物学家丹·里斯金作为本次节目的主持人，在这12集系列节目中将从科学的视角出发，生动地讲述病人因身体不知不觉遭到入侵而饱受折磨的故事。
非洲的豪登高铁是近年来南半球最大的建设项目。这个雄心勃勃的计划，让南非跻身于拥有先进高速的铁路运输系统的领先国家。但不确定的是，豪登高铁能否能解决南非经济腹地的交通问题，因为那里仍是由汽车主宰。
来自重庆的雷敏和成都的媛媛结伴从新疆叶城县国道219零公里处出发直奔2500公里外的目标西藏拉萨，骑行去拉萨的念头源于22岁的女孩雷敏，雷敏家庭并不富裕，大学毕业的她却毅然辞掉了工作骑行去拉萨。
Created by the monarch, Dukedoms are gradually becoming extinct - the last one was created by Queen Victoria. In this one-off documentary Michael Waldman meets some of the last vestiges of this level of British aristocracy, and asks what has become of those who remain. In 2012 South African Bruce Murray found himself becoming the 12th Duke of Atholl and heading up the only priv...
一个男人与自己、与时间的斗争。肯尼亚跑步运动员埃利乌德·基普乔格梦想在两小时内跑完一场马拉松。这是一项人类无法实现的成就。我们跟随他，看他如何准备打破这一不可能的纪录。他能否打破神奇的两小时限制并书写历史？
