《风沙线上》讲述的是位于甘肃省民勤县的两个家庭面对不断扩张的沙漠侵蚀他们的家园时，为生存而奋斗的故事。这里的村民坚持相信，保卫民勤使其不被黄沙吞没，他们有自己的办法。政府实施了环境移民策略，让这些原著

ADHD指注意缺陷多动障碍，又称多动症。英国著名喜剧演员Rory Bremner受到多动症的困扰，他采访医疗机构，尝试新药，了解ADHD背后的科学

Volcanoes have long helped shape the Earth. But what is less well known is that there are volcanoes

For decades some have suspected that there might be others out there, intelligent beings capable of

修建在南极布伦特冰架上的英国最尖端科学考察站哈利六号（Halley VI）遇到麻烦，巨大冰裂缝距离科考站只有6公里。本片讲述为价值近3千万英镑的哈利搬家的艰难工程。 　　Last year, Nat

This episode looks at the issues that will change the way we live our lives in the future. Rather th

A few weeks ago, the National Health Service was hit by a widespread and devastating cyber attack -

The car has shrunk the world, increased personal freedom and in so many ways expanded our horizons,

一部关于拯救极度濒危物种中华穿山甲的纪录片。中华穿山甲曾广泛分布于我国长江以南地区，后因过度猎捕和栖息地破坏，数量急剧下降。捕食蚂蚁和白蚁为生的穿山甲，被称为“森林卫士”，是自然生态平衡中的重要一环；